Numbers 33:38-40

American Standard Version

³⁸ And Aaron the priest went up into mount Hor at the commandment of Jehovah, and died there, in the fortieth year after the children of Israel were come out of the land of Egypt, in the fifth month, on the first day of the month. ³⁹ And Aaron was a hundred and twenty and three years old when he died in mount Hor.

⁴⁰ And the Canaanite, the king of Arad, who dwelt in the South in the land of Canaan, heard of the coming of the children of Israel.