431344526555123 has 16 divisors (see below), whose sum is σ = 456769774062720. Its totient is φ = 405925064472576.

The previous prime is 431344526555053. The next prime is 431344526555161. The reversal of 431344526555123 is 321555625443134.

It is a cyclic number.

It is not a de Polignac number, because 431344526555123 - 2¹² = 431344526551027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431344526555023) 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, 7581651665 + ... + 7581708557.

It is an arithmetic number, because the mean of its divisors is an integer number (28548110878920).

Almost surely, 2^{431344526555123} is an apocalyptic number.

431344526555123 is a deficient number, since it is larger than the sum of its proper divisors (25425247507597).

431344526555123 is a wasteful number, since it uses less digits than its factorization.

431344526555123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99886.

The product of its digits is 25920000, while the sum is 53.

The spelling of 431344526555123 in words is "four hundred thirty-one trillion, three hundred forty-four billion, five hundred twenty-six million, five hundred fifty-five thousand, one hundred twenty-three".