23909223 has 16 divisors (see below), whose sum is σ = 34546176. Its totient is φ = 14621280.

The previous prime is 23909183. The next prime is 23909231. The reversal of 23909223 is 32290932.

It is a happy number.

It is not a de Polignac number, because 23909223 - 2⁹ = 23908711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23909233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4678 + ... + 8348.

It is an arithmetic number, because the mean of its divisors is an integer number (2159136).

Almost surely, 2^23909223 is an apocalyptic number.

23909223 is a deficient number, since it is larger than the sum of its proper divisors (10636953).

23909223 is a wasteful number, since it uses less digits than its factorization.

23909223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 23909223 is about 4889.7058193720. The cubic root of 23909223 is about 288.0857793289.

The spelling of 23909223 in words is "twenty-three million, nine hundred nine thousand, two hundred twenty-three".