23440603312 has 40 divisors (see below), whose sum is σ = 53170159392. Its totient is φ = 9800947200.

The previous prime is 23440603301. The next prime is 23440603349. The reversal of 23440603312 is 21330604432.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 2547739 + ... + 2556922.

Almost surely, 2^23440603312 is an apocalyptic number.

It is an amenable number.

23440603312 is an abundant number, since it is smaller than the sum of its proper divisors (29729556080).

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

23440603312 is a wasteful number, since it uses less digits than its factorization.

23440603312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104717 (or 5104711 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The spelling of 23440603312 in words is "twenty-three billion, four hundred forty million, six hundred three thousand, three hundred twelve".