Catcher drops glove with ball still inside on third strike is batter out?

the batter has a strike out but the catcher glove dropping is the same a the ball dropping and thebatter will run to first ... which the catcher will throw the ball to for the put out ...

It is a strikeout, but the batter is not out until he is either tagged out by the catcher, or the ball is thrown to first for the put out, or the batter leaves the home plate area to return to the dugout.