431344323 has 24 divisors (see below), whose sum is σ = 671124480. Its totient is φ = 266183280.

The previous prime is 431344307. The next prime is 431344337. The reversal of 431344323 is 323443134.

It is not a de Polignac number, because 431344323 - 2⁴ = 431344307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (431344373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27193 + ... + 40026.

It is an arithmetic number, because the mean of its divisors is an integer number (27963520).

Almost surely, 2^431344323 is an apocalyptic number.

431344323 is a deficient number, since it is larger than the sum of its proper divisors (239780157).

431344323 is a wasteful number, since it uses less digits than its factorization.

431344323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67279 (or 67276 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 431344323 is about 20768.8305640929. The cubic root of 431344323 is about 755.5699819966.

Adding to 431344323 its reverse (323443134), we get a palindrome (754787457).

The spelling of 431344323 in words is "four hundred thirty-one million, three hundred forty-four thousand, three hundred twenty-three".