431640123364051 has 32 divisors (see below), whose sum is σ = 524386791088128. Its totient is φ = 346839204165120.

The previous prime is 431640123364027. The next prime is 431640123364057. The reversal of 431640123364051 is 150463321046134.

It is not a de Polignac number, because 431640123364051 - 2²⁷ = 431639989146323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431640123363989 and 431640123364007.

It is not an unprimeable number, because it can be changed into a prime (431640123364057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24575686 + ... + 38304628.

It is an arithmetic number, because the mean of its divisors is an integer number (16387087221504).

Almost surely, 2^{431640123364051} is an apocalyptic number.

431640123364051 is a deficient number, since it is larger than the sum of its proper divisors (92746667724077).

431640123364051 is a wasteful number, since it uses less digits than its factorization.

431640123364051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13730011.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 431640123364051 in words is "four hundred thirty-one trillion, six hundred forty billion, one hundred twenty-three million, three hundred sixty-four thousand, fifty-one".