Berean Study Bible
Aaron was 123 years old when he died on Mount Hor.

King James Bible
And Aaron was an hundred and twenty and three years old when he died in mount Hor.

American Standard Version
And Aaron was a hundred and twenty and three years old when he died in mount Hor.

Darby Bible Translation
And Aaron was a hundred and twenty-three years old when he died on mount Hor.

Douay-Rheims Bible
When he was a hundred and twenty-three years old.

English Revised Version
And Aaron was an hundred and twenty and three years old when he died in mount Hor.

Young's Literal Translation
and Aaron is a son of a hundred and twenty and three years in his dying in mount Hor.