Can i check my own prostrate?

Not Easily: Can't say I have much direct experience, but this would probably be an ineffective approach. Even if you can reach your prostate, you'd have to know what to look for. Consider leaving this to a professional.

Not easily: Firstly you need lubricant plus a surgical glove. Next, you need a long finger and have to perform a rectal examination between your thighs from the front. Then, if your finger is long enough to reach the prostate, how will you know what is normal or not? Not a good idea, in my opinion.