When Rehoboam arrived in Jerusalem, he summoned 180,000 skilled warriors from Judah and Benjamin to attack Israel and restore the kingdom to Rehoboam.
TSK
TSK · 2 Chronicles 14:8
Treasury of Scripture Knowledge references in NET.
Because they were unfaithful to the LORD, in King Rehoboam’s fifth year, King Shishak of Egypt attacked Jerusalem.
Abijah launched the attack with 400,000 well-trained warriors, while Jeroboam deployed against him 800,000 well-trained warriors.
These were their divisions by families: There were a thousand officers from Judah. Adnah the commander led 300,000 skilled warriors,
Amaziah assembled the people of Judah and assigned them by families to the commanders of units of a thousand and the commanders of units of a hundred for all Judah and Benjamin. He counted those twenty years old and up and discovered there were 300,000 young men of fighting age equipped with spears and shields.