Berean Standard Bible (BSB)
Aaron was 123 years old when he died on Mount Hor.
World English Bible (WEB)
Aaron was one hundred twenty-three years old when he died in Mount Hor.
Strong's King James
And Aaron{H175} was an hundred{H3967} and twenty{H6242} and three{H7969} years{H8141} old{H1121} when he died{H4194} in mount{H2022} Hor{H2023}.
The F.O.G *
The F.O.G Message *
Young's Literal Translation
and Aaron is a son of a hundred and twenty and three years in his dying in mount Hor.