23015256 has 32 divisors (see below), whose sum is σ = 62769600. Its totient is φ = 6974240.

The previous prime is 23015243. The next prime is 23015257. The reversal of 23015256 is 65251032.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23015257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43326 + ... + 43853.

It is an arithmetic number, because the mean of its divisors is an integer number (1961550).

Almost surely, 2^23015256 is an apocalyptic number.

It is an amenable number.

23015256 is an abundant number, since it is smaller than the sum of its proper divisors (39754344).

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

23015256 is a wasteful number, since it uses less digits than its factorization.

23015256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87199 (or 87195 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 23015256 is about 4797.4218075962. The cubic root of 23015256 is about 284.4495623989.

Adding to 23015256 its reverse (65251032), we get a palindrome (88266288).

It can be divided in two parts, 2301 and 5256, that added together give a palindrome (7557).

The spelling of 23015256 in words is "twenty-three million, fifteen thousand, two hundred fifty-six".