431360923 has 4 divisors (see below), whose sum is σ = 492983920. Its totient is φ = 369737928.

The previous prime is 431360903. The next prime is 431360989. The reversal of 431360923 is 329063134.

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

It is not a de Polignac number, because 431360923 - 2¹³ = 431352731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431360903) 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, 30811488 + ... + 30811501.

It is an arithmetic number, because the mean of its divisors is an integer number (123245980).

Almost surely, 2^431360923 is an apocalyptic number.

431360923 is a deficient number, since it is larger than the sum of its proper divisors (61622997).

431360923 is an equidigital number, since it uses as much as digits as its factorization.

431360923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61622996.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 431360923 is about 20769.2301975783. The cubic root of 431360923 is about 755.5796744087.

The spelling of 431360923 in words is "four hundred thirty-one million, three hundred sixty thousand, nine hundred twenty-three".