23585256 has 80 divisors (see below), whose sum is σ = 69979140. Its totient is φ = 7395840.

The previous prime is 23585201. The next prime is 23585257. The reversal of 23585256 is 65258532.

It is a happy number.

23585256 is a `hidden beast` number, since 23 + 585 + 2 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19448100 + 4137156 = 4410^2 + 2034^2 .

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 23585256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23585257) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9946 + ... + 12086.

Almost surely, 2^23585256 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 23585256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34989570).

23585256 is an abundant number, since it is smaller than the sum of its proper divisors (46393884).

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

23585256 is a wasteful number, since it uses less digits than its factorization.

23585256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176 (or 2163 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 23585256 is about 4856.4653813242. The cubic root of 23585256 is about 286.7786822621.

It can be divided in two parts, 235 and 85256, that added together give a triangular number (85491 = T₄₁₃).

The spelling of 23585256 in words is "twenty-three million, five hundred eighty-five thousand, two hundred fifty-six".