23001256 has 32 divisors (see below), whose sum is σ = 44870400. Its totient is φ = 11041920.

The previous prime is 23001241. The next prime is 23001257. The reversal of 23001256 is 65210032.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23001257) 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, 40140 + ... + 40708.

It is an arithmetic number, because the mean of its divisors is an integer number (1402200).

Almost surely, 2^23001256 is an apocalyptic number.

It is an amenable number.

23001256 is a deficient number, since it is larger than the sum of its proper divisors (21869144).

23001256 is a wasteful number, since it uses less digits than its factorization.

23001256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 23001256 is about 4795.9624685771. The cubic root of 23001256 is about 284.3918745531.

Adding to 23001256 its product of nonzero digits (360), we get a square (23001616 = 4796²).

Adding to 23001256 its reverse (65210032), we get a palindrome (88211288).

The spelling of 23001256 in words is "twenty-three million, one thousand, two hundred fifty-six".