23051256 has 32 divisors (see below), whose sum is σ = 60662400. Its totient is φ = 7279200.

The previous prime is 23051251. The next prime is 23051263. The reversal of 23051256 is 65215032.

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 (23051251) 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, 24820 + ... + 25731.

It is an arithmetic number, because the mean of its divisors is an integer number (1895700).

Almost surely, 2^23051256 is an apocalyptic number.

It is an amenable number.

23051256 is an abundant number, since it is smaller than the sum of its proper divisors (37611144).

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

23051256 is a wasteful number, since it uses less digits than its factorization.

23051256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50579 (or 50575 counting only the distinct ones).

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

The square root of 23051256 is about 4801.1723568312. The cubic root of 23051256 is about 284.5977952307.

Adding to 23051256 its reverse (65215032), we get a palindrome (88266288).

The spelling of 23051256 in words is "twenty-three million, fifty-one thousand, two hundred fifty-six".