23477256 has 128 divisors (see below), whose sum is σ = 73180800. Its totient is φ = 6912000.

The previous prime is 23477249. The next prime is 23477263. The reversal of 23477256 is 65277432.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23477249) and next prime (23477263).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 23477256.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97296 + ... + 97536.

It is an arithmetic number, because the mean of its divisors is an integer number (571725).

Almost surely, 2^23477256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23477256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36590400).

23477256 is an abundant number, since it is smaller than the sum of its proper divisors (49703544).

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

23477256 is a wasteful number, since it uses less digits than its factorization.

23477256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 298 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 23477256 is about 4845.3334250596. Note that the first 3 decimals coincide. The cubic root of 23477256 is about 286.3402799338.

The spelling of 23477256 in words is "twenty-three million, four hundred seventy-seven thousand, two hundred fifty-six".