23231625828 has 48 divisors (see below), whose sum is σ = 55258984704. Its totient is φ = 7594630560.

The previous prime is 23231625821. The next prime is 23231625841. The reversal of 23231625828 is 82852613232.

It is a super-2 number, since 2×23231625828² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23231625828.

It is not an unprimeable number, because it can be changed into a prime (23231625821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118863 + ... + 246153.

It is an arithmetic number, because the mean of its divisors is an integer number (1151228848).

Almost surely, 2^23231625828 is an apocalyptic number.

It is an amenable number.

23231625828 is an abundant number, since it is smaller than the sum of its proper divisors (32027358876).

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

23231625828 is a wasteful number, since it uses less digits than its factorization.

23231625828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127592 (or 127590 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The spelling of 23231625828 in words is "twenty-three billion, two hundred thirty-one million, six hundred twenty-five thousand, eight hundred twenty-eight".