431327400123 has 4 divisors (see below), whose sum is σ = 575103200168. Its totient is φ = 287551600080.

The previous prime is 431327400089. The next prime is 431327400143. The reversal of 431327400123 is 321004723134.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 431327400123 - 2⁶ = 431327400059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431327400143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71887900018 + ... + 71887900023.

It is an arithmetic number, because the mean of its divisors is an integer number (143775800042).

Almost surely, 2^431327400123 is an apocalyptic number.

431327400123 is a deficient number, since it is larger than the sum of its proper divisors (143775800045).

431327400123 is a wasteful number, since it uses less digits than its factorization.

431327400123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143775800044.

The product of its (nonzero) digits is 12096, while the sum is 30.

The spelling of 431327400123 in words is "four hundred thirty-one billion, three hundred twenty-seven million, four hundred thousand, one hundred twenty-three".