Hello paul4,
Welcome to the DigiKey TechForum.
I would recommend to use a constant current LED driver.
If you wire them in Series, you would add the voltage. For Parallel circuits, you would add the current.
So for a Series circuit, you can look at 1866-3599-ND, that is a constant 1.12A output, and the voltage range is 32.4~54V, and will adjust as needed for the LED’s 46V requirement.
I was unable to find a match for a parallel circuit, that would require 2.24A current, and 23V.
We would have some that would put out a higher current, but it is best to stay at the test current.