431623132 has 24 divisors (see below), whose sum is σ = 801166464. Its totient is φ = 202762752.

The previous prime is 431623117. The next prime is 431623141. The reversal of 431623132 is 231326134.

It is a junction number, because it is equal to n+sod(n) for n = 431623097 and 431623106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36048 + ... + 46504.

It is an arithmetic number, because the mean of its divisors is an integer number (33381936).

Almost surely, 2^431623132 is an apocalyptic number.

It is an amenable number.

431623132 is a deficient number, since it is larger than the sum of its proper divisors (369543332).

431623132 is a wasteful number, since it uses less digits than its factorization.

431623132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11085 (or 11083 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 431623132 is about 20775.5416776555. The cubic root of 431623132 is about 755.7327400903.

Adding to 431623132 its reverse (231326134), we get a palindrome (662949266).

The spelling of 431623132 in words is "four hundred thirty-one million, six hundred twenty-three thousand, one hundred thirty-two".