432321312 has 48 divisors (see below), whose sum is σ = 1161246240. Its totient is φ = 140754432.

The previous prime is 432321301. The next prime is 432321341. The reversal of 432321312 is 213123234.

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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48237 + ... + 56492.

It is an arithmetic number, because the mean of its divisors is an integer number (24192630).

Almost surely, 2^432321312 is an apocalyptic number.

It is an amenable number.

432321312 is an abundant number, since it is smaller than the sum of its proper divisors (728924928).

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

432321312 is a wasteful number, since it uses less digits than its factorization.

432321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104785 (or 104777 counting only the distinct ones).

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

The square root of 432321312 is about 20792.3378194949. The cubic root of 432321312 is about 756.1400037455.

Adding to 432321312 its reverse (213123234), we get a palindrome (645444546).

It can be divided in two parts, 43232 and 1312, that added together give a palindrome (44544).

The spelling of 432321312 in words is "four hundred thirty-two million, three hundred twenty-one thousand, three hundred twelve".