So wrong to check 5th here?

[RustyBrooks]

Neither opponent is drawing dead, they can both theoretically draw 2 cards to beat you.

If you were in your opponent's shoes... wouldn't you be happy if the guy showing 472 checked and you got to see 6th with your A23? Based on the calls on 4th I would not be surprised if at least one of them called you on 5th either.

3rd st is a bet, too, I think.