23412157170542 has 32 divisors (see below), whose sum is σ = 40615056198144. Its totient is φ = 9914203908000.

The previous prime is 23412157170509. The next prime is 23412157170559. The reversal of 23412157170542 is 24507175121432.

It is a super-2 number, since 2×23412157170542² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23412157170493 and 23412157170502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16166618 + ... + 17555165.

It is an arithmetic number, because the mean of its divisors is an integer number (1269220506192).

Almost surely, 2^{23412157170542} is an apocalyptic number.

23412157170542 is a deficient number, since it is larger than the sum of its proper divisors (17202899027602).

23412157170542 is a wasteful number, since it uses less digits than its factorization.

23412157170542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33722384.

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 23412157170542 in words is "twenty-three trillion, four hundred twelve billion, one hundred fifty-seven million, one hundred seventy thousand, five hundred forty-two".