23405012556112 has 80 divisors (see below), whose sum is σ = 50621965111872. Its totient is φ = 10390857845760.

The previous prime is 23405012556097. The next prime is 23405012556113. The reversal of 23405012556112 is 21165521050432.

It is a super-2 number, since 2×23405012556112² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23405012556113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406047358 + ... + 406104994.

Almost surely, 2^{23405012556112} is an apocalyptic number.

23405012556112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23405012556112 is an abundant number, since it is smaller than the sum of its proper divisors (27216952555760).

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

23405012556112 is a wasteful number, since it uses less digits than its factorization.

23405012556112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111356 (or 111350 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 23405012556112 in words is "twenty-three trillion, four hundred five billion, twelve million, five hundred fifty-six thousand, one hundred twelve".