Then Abijah and his people struck them with a great slaughter; so five hundred thousand choice men of Israel fell slain.
2 Chronicles 13:17
Surrounding context
13:16 And the children of Israel fled before Judah, and God delivered them into their hand.
13:17 Then Abijah and his people struck them with a great slaughter; so five hundred thousand choice men of Israel fell slain.
13:18 Thus the children of Israel were subdued at that time; and the children of Judah prevailed, because they relied on the LORD God of their fathers.