23631256 has 16 divisors (see below), whose sum is σ = 48336840. Its totient is φ = 10741440.

The previous prime is 23631253. The next prime is 23631263. The reversal of 23631256 is 65213632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23631253) by changing a digit.

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, 134181 + ... + 134356.

Almost surely, 2^23631256 is an apocalyptic number.

It is an amenable number.

23631256 is an abundant number, since it is smaller than the sum of its proper divisors (24705584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23631256 is a wasteful number, since it uses less digits than its factorization.

23631256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268554 (or 268550 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 23631256 is about 4861.1990290462. The cubic root of 23631256 is about 286.9650027943.

Adding to 23631256 its reverse (65213632), we get a palindrome (88844888).

The spelling of 23631256 in words is "twenty-three million, six hundred thirty-one thousand, two hundred fifty-six".