23522074525540 has 48 divisors (see below), whose sum is σ = 50074000163712. Its totient is φ = 9279759879936.

The previous prime is 23522074525421. The next prime is 23522074525549. The reversal of 23522074525540 is 4552547022532.

It is a super-2 number, since 2×23522074525540² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23522074525549) 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, 93324367 + ... + 93576073.

It is an arithmetic number, because the mean of its divisors is an integer number (1043208336744).

Almost surely, 2^{23522074525540} is an apocalyptic number.

23522074525540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23522074525540 is an abundant number, since it is smaller than the sum of its proper divisors (26551925638172).

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

23522074525540 is a wasteful number, since it uses less digits than its factorization.

23522074525540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315796 (or 315794 counting only the distinct ones).

The product of its (nonzero) digits is 3360000, while the sum is 46.

The spelling of 23522074525540 in words is "twenty-three trillion, five hundred twenty-two billion, seventy-four million, five hundred twenty-five thousand, five hundred forty".