431423234 has 32 divisors (see below), whose sum is σ = 745968960. Its totient is φ = 185068800.

The previous prime is 431423231. The next prime is 431423269. The reversal of 431423234 is 432324134.

It is a super-2 number, since 2×431423234² = 372252013670037512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431423231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115622 + ... + 119294.

It is an arithmetic number, because the mean of its divisors is an integer number (23311530).

Almost surely, 2^431423234 is an apocalyptic number.

431423234 is a deficient number, since it is larger than the sum of its proper divisors (314545726).

431423234 is a wasteful number, since it uses less digits than its factorization.

431423234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986.

The product of its digits is 6912, while the sum is 26.

The square root of 431423234 is about 20770.7302230807. The cubic root of 431423234 is about 755.6160543524.

Adding to 431423234 its reverse (432324134), we get a palindrome (863747368).

The spelling of 431423234 in words is "four hundred thirty-one million, four hundred twenty-three thousand, two hundred thirty-four".