23415956 has 6 divisors (see below), whose sum is σ = 40977930. Its totient is φ = 11707976.

The previous prime is 23415947. The next prime is 23415971. The reversal of 23415956 is 65951432.

It can be written as a sum of positive squares in only one way, i.e., 23367556 + 48400 = 4834^2 + 220^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2926991 + ... + 2926998.

It is an arithmetic number, because the mean of its divisors is an integer number (6829655).

Almost surely, 2^23415956 is an apocalyptic number.

It is an amenable number.

23415956 is a deficient number, since it is larger than the sum of its proper divisors (17561974).

23415956 is a wasteful number, since it uses less digits than its factorization.

23415956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5853993 (or 5853991 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 23415956 is about 4839.0036164483. The cubic root of 23415956 is about 286.0908476288.

Subtracting from 23415956 its sum of digits (35), we obtain a square (23415921 = 4839²).

The spelling of 23415956 in words is "twenty-three million, four hundred fifteen thousand, nine hundred fifty-six".