Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

During which month do people sleep the least?

John was piloting a plane behind a car but was never able to overtake it. Why?

What kind of storm is always in a rush?

A blonde put eyeliner on her head. Why?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

Below, you can see some coding:
January = 1017
February = 628
March = 1335
April = 145
May = 1353
June = 1064
July = 1074
August = 186

Now deciphering the way it has been coded, can you find out how September will be coded?