23399059537920 has 480 divisors, whose sum is σ = 82110960562176. Its totient is φ = 5642675814400.

The previous prime is 23399059537883. The next prime is 23399059537961. The reversal of 23399059537920 is 2973595099332.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516319102 + ... + 516364418.

Almost surely, 2^{23399059537920} is an apocalyptic number.

23399059537920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23399059537920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41055480281088).

23399059537920 is an abundant number, since it is smaller than the sum of its proper divisors (58711901024256).

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

23399059537920 is a wasteful number, since it uses less digits than its factorization.

23399059537920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45555 (or 45529 counting only the distinct ones).

The product of its (nonzero) digits is 124002900, while the sum is 66.

The spelling of 23399059537920 in words is "twenty-three trillion, three hundred ninety-nine billion, fifty-nine million, five hundred thirty-seven thousand, nine hundred twenty".