23391244 has 12 divisors (see below), whose sum is σ = 41495944. Its totient is φ = 11535264.

The previous prime is 23391211. The next prime is 23391257. The reversal of 23391244 is 44219332.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39762 + ... + 40345.

Almost surely, 2^23391244 is an apocalyptic number.

It is an amenable number.

23391244 is a deficient number, since it is larger than the sum of its proper divisors (18104700).

23391244 is a wasteful number, since it uses less digits than its factorization.

23391244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80184 (or 80182 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 23391244 is about 4836.4495241861. The cubic root of 23391244 is about 285.9901703307.

The spelling of 23391244 in words is "twenty-three million, three hundred ninety-one thousand, two hundred forty-four".