23000551512 has 16 divisors (see below), whose sum is σ = 57501378840. Its totient is φ = 7666850496.

The previous prime is 23000551487. The next prime is 23000551547. The reversal of 23000551512 is 21515500032.

It is a happy number.

It is a super-2 number, since 2×23000551512² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 958356313 = 23000551512 / (2 + 3 + 0 + 0 + 0 + 5 + 5 + 1 + 5 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479178133 + ... + 479178180.

Almost surely, 2^23000551512 is an apocalyptic number.

It is an amenable number.

23000551512 is an abundant number, since it is smaller than the sum of its proper divisors (34500827328).

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

23000551512 is a wasteful number, since it uses less digits than its factorization.

23000551512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958356322 (or 958356318 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The spelling of 23000551512 in words is "twenty-three billion, five hundred fifty-one thousand, five hundred twelve".