23080031856 has 60 divisors (see below), whose sum is σ = 73819470192. Its totient is φ = 6594294528.

The previous prime is 23080031851. The next prime is 23080031857. The reversal of 23080031856 is 65813008032.

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 23080031856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23080031851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11447421 + ... + 11449436.

Almost surely, 2^23080031856 is an apocalyptic number.

It is an amenable number.

23080031856 is an abundant number, since it is smaller than the sum of its proper divisors (50739438336).

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

23080031856 is a wasteful number, since it uses less digits than its factorization.

23080031856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22896878 (or 22896869 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 23080031856 its reverse (65813008032), we get a palindrome (88893039888).

The spelling of 23080031856 in words is "twenty-three billion, eighty million, thirty-one thousand, eight hundred fifty-six".