23405516601320 has 32 divisors (see below), whose sum is σ = 60185614118400. Its totient is φ = 8024748548928.

The previous prime is 23405516601293. The next prime is 23405516601367. The reversal of 23405516601320 is 2310661550432.

It is a super-2 number, since 2×23405516601320² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41795565080 + ... + 41795565639.

It is an arithmetic number, because the mean of its divisors is an integer number (1880800441200).

Almost surely, 2^{23405516601320} is an apocalyptic number.

23405516601320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23405516601320 is an abundant number, since it is smaller than the sum of its proper divisors (36780097517080).

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

23405516601320 is a wasteful number, since it uses less digits than its factorization.

23405516601320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83591130737 (or 83591130733 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 23405516601320 in words is "twenty-three trillion, four hundred five billion, five hundred sixteen million, six hundred one thousand, three hundred twenty".