He is not recorded on the Memorial Roll for the battalion found on p.603, Vol. 2, of the Military Annals of Tennessee, Confederate, ed. John Berrien Lindsley, Broadfoot Publishing Company, Wilmington, NC, 1995, originally published in 1886.
Furthermore, there does not appear to be any published material on the battalion.
You might try a query on the Bedford County genweb page.
Here is what the U. S. Army Military History Institute, Carlisle Barracks, Pa holds in their unit bibliography, rather scant:
USAMHI
RefBranch
laf Dec 90
23rd Tennessee Infantry Battalion (Newman's)
Confederate Military History, Extended Edition. Vol. 10: Tennessee. Wilmington, NC: Broadfoot,
1987. 806 p. E484C65.1987v10. (Contains numerous, scattered references to Tennessee units).
Crute, Joseph H., Jr. Units of the Confederate States Army. Midlothian, VA: Derwent, 1987. Ref.
See p. 296 (1 photocopied page) for a concise summary of the unit's service.
Lindsley, John B., ed. The Military Annals of Tennessee: Confederate. Nashville, TN: Lindsley,
l886. p. 603 (1 photocopied page). E579.4L75. (Brief unit history).
Sifakis, Stewart. Compendium of the Confederate Armies: Tennessee. NY: Facts on File, 1992.
pp. 125 26 (2 photocopied pages). E579S53. (Unit organizational history).
Tennessee. CW Centennial Comm. Tennesseans in the Civil War: A Military History of Union and
Confederate Units.... Vol. 1. Nashville, TN: By the Comm, 1964. pp. 167 68 (2 photocopied pages). E579.4A53v1. (Brief unit history).