23231512000 has 56 divisors (see below), whose sum is σ = 57532859280. Its totient is φ = 9292601600.

The previous prime is 23231511943. The next prime is 23231512033. The reversal of 23231512000 is 21513232.

It is a super-2 number, since 2×23231512000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443970 + ... + 1459969.

Almost surely, 2^23231512000 is an apocalyptic number.

23231512000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23231512000 is an abundant number, since it is smaller than the sum of its proper divisors (34301347280).

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

23231512000 is an equidigital number, since it uses as much as digits as its factorization.

23231512000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903966 (or 2903946 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The spelling of 23231512000 in words is "twenty-three billion, two hundred thirty-one million, five hundred twelve thousand".