It may be part of a prank call app. When rung back, it doesn't exis

Caller: +1 (323) 405-3584

I havent answer yet im from sweden and its probbbly a scamer :)

Caller: I don’t know

I didn’t answer but it said that the number was from Los Angeles as I am in the UK it was obviously someone I didn’t know, it was completely random I was on my phone and it started ringing

It was random and a man kept shouting at me