432131232 has 48 divisors (see below), whose sum is σ = 1221605280. Its totient is φ = 132963072.

The previous prime is 432131221. The next prime is 432131237. The reversal of 432131232 is 232131234.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 432131199 and 432131208.

It is not an unprimeable number, because it can be changed into a prime (432131237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171882 + ... + 174377.

It is an arithmetic number, because the mean of its divisors is an integer number (25450110).

Almost surely, 2^432131232 is an apocalyptic number.

It is an amenable number.

432131232 is an abundant number, since it is smaller than the sum of its proper divisors (789474048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

432131232 is a wasteful number, since it uses less digits than its factorization.

432131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346285 (or 346277 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 432131232 is about 20787.7664023820. The cubic root of 432131232 is about 756.0291693905.

Adding to 432131232 its reverse (232131234), we get a palindrome (664262466).

It can be divided in two parts, 4321 and 31232, that added together give a palindrome (35553).

The spelling of 432131232 in words is "four hundred thirty-two million, one hundred thirty-one thousand, two hundred thirty-two".