Answer :
46 or 23 it all depends on the sex cells and the identical parent cells.
First of all, there are 46 individual chromosomes (23 pairs) in a human cell.
What happens in mitosis is that the original cell copies its DNA (so there are 2 sets of 23 pairs. In the end, after cytokinesis takes place, each daughter cell will have 23 pairs (46 chromosomes).
Please let me know if you understand in the comments!