23115256 has 16 divisors (see below), whose sum is σ = 44076600. Its totient is φ = 11361504.

The previous prime is 23115247. The next prime is 23115259. The reversal of 23115256 is 65251132.

It is a self number, because there is not a number n which added to its sum of digits gives 23115256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23115259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24015 + ... + 24958.

Almost surely, 2^23115256 is an apocalyptic number.

It is an amenable number.

23115256 is a deficient number, since it is larger than the sum of its proper divisors (20961344).

23115256 is a wasteful number, since it uses less digits than its factorization.

23115256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49038 (or 49034 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 23115256 is about 4807.8327757941. The cubic root of 23115256 is about 284.8609396487.

Adding to 23115256 its reverse (65251132), we get a palindrome (88366388).

The spelling of 23115256 in words is "twenty-three million, one hundred fifteen thousand, two hundred fifty-six".