Matthew Henry Presbyterian @wholebiblehenry

Here we have, I. The crown entailed, according to the divine appointment, Ch1 23:1. David made Solomon king, not to reign with him, or reign under him, but only to reign after him. This he did, 1. When he was old and full of days. He was but seventy years old when he died, and yet he was full of days, satur dierum - satisfied with living in this world.

Commenting on 1 Chronicles 23:1-23

John Gill Reformed Baptist @doctorgill

Of the sons of Izhar,.... Another son of Kohath, the son of Levi, Ch1 23:12. Shelomith the chief; the principal descendant of Izhar at this time.

Adam Clarke Methodist @methodicalclarke

To this verse the Targum adds, "The same Jonathan, who became a false prophet, repented in his old age; and David made him his chief treasurer."