Numbers 33:39-41

Young's Literal Translation

³⁹ and Aaron [is] a son of a hundred and twenty and three years in his dying in mount Hor.

⁴⁰ And the Canaanite -- king Arad -- who is dwelling in the south, in the land of Canaan, heareth of the coming of the sons of Israel.

⁴¹ And they journey from mount Hor, and encamp in Zalmonah;