Is there anything odd about Meursault's reaction to his mother's death? Why or why not?

What is
certainly odd is Meursault's lack of a reaction. Upon hearing news of his mother's death, his is
dispassionate, nonchalant, as if he's heard of a poor weather forecast for the upcoming weekend
and that it may inconvenience his plans.

Mother died
today. Or maybe yesterday. I don't know.

Meursault is
only affected by his immediate surroundings, his present environment. Since he does not interact
with his mother on a...