431713123 has 4 divisors (see below), whose sum is σ = 431975320. Its totient is φ = 431450928.

The previous prime is 431713091. The next prime is 431713127. The reversal of 431713123 is 321317134.

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

It is a cyclic number.

It is not a de Polignac number, because 431713123 - 2⁵ = 431713091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431713127) 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, 128613 + ... + 131926.

It is an arithmetic number, because the mean of its divisors is an integer number (107993830).

Almost surely, 2^431713123 is an apocalyptic number.

431713123 is a deficient number, since it is larger than the sum of its proper divisors (262197).

431713123 is a wasteful number, since it uses less digits than its factorization.

431713123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262196.

The product of its digits is 1512, while the sum is 25.

The square root of 431713123 is about 20777.7073566840. The cubic root of 431713123 is about 755.7852584518.

The spelling of 431713123 in words is "four hundred thirty-one million, seven hundred thirteen thousand, one hundred twenty-three".