23029894464 has 56 divisors (see below), whose sum is σ = 61667440800. Its totient is φ = 7584136704.

The previous prime is 23029894397. The next prime is 23029894469. The reversal of 23029894464 is 46449892032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23029894469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706639 + ... + 738510.

It is an arithmetic number, because the mean of its divisors is an integer number (1101204300).

Almost surely, 2^23029894464 is an apocalyptic number.

23029894464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23029894464 is an abundant number, since it is smaller than the sum of its proper divisors (38637546336).

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

23029894464 is a wasteful number, since it uses less digits than its factorization.

23029894464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445247 (or 1445237 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 23029894464 in words is "twenty-three billion, twenty-nine million, eight hundred ninety-four thousand, four hundred sixty-four".