23420431172634 has 32 divisors (see below), whose sum is σ = 47010936686400. Its totient is φ = 7778465836032.

The previous prime is 23420431172609. The next prime is 23420431172647. The reversal of 23420431172634 is 43627113402432.

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, 101338042 + ... + 101568890.

It is an arithmetic number, because the mean of its divisors is an integer number (1469091771450).

Almost surely, 2^{23420431172634} is an apocalyptic number.

23420431172634 is an abundant number, since it is smaller than the sum of its proper divisors (23590505513766).

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

23420431172634 is a wasteful number, since it uses less digits than its factorization.

23420431172634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292174.

The product of its (nonzero) digits is 580608, while the sum is 42.

The spelling of 23420431172634 in words is "twenty-three trillion, four hundred twenty billion, four hundred thirty-one million, one hundred seventy-two thousand, six hundred thirty-four".