23735822320 has 40 divisors (see below), whose sum is σ = 63069472224. Its totient is φ = 8137996032.

The previous prime is 23735822309. The next prime is 23735822321. The reversal of 23735822320 is 2322853732.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×23735822320² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23735822320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23735822321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21192139 + ... + 21193258.

Almost surely, 2^23735822320 is an apocalyptic number.

23735822320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23735822320 is an abundant number, since it is smaller than the sum of its proper divisors (39333649904).

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

23735822320 is a wasteful number, since it uses less digits than its factorization.

23735822320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42385417 (or 42385411 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 23735822320 in words is "twenty-three billion, seven hundred thirty-five million, eight hundred twenty-two thousand, three hundred twenty".