432111321 has 32 divisors (see below), whose sum is σ = 680947200. Its totient is φ = 269879040.

The previous prime is 432111301. The next prime is 432111347. The reversal of 432111321 is 123111234.

It is not a de Polignac number, because 432111321 - 2⁷ = 432111193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 432111294 and 432111303.

It is not an unprimeable number, because it can be changed into a prime (432111301) 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 31 ways as a sum of consecutive naturals, for example, 103056 + ... + 107166.

It is an arithmetic number, because the mean of its divisors is an integer number (21279600).

Almost surely, 2^432111321 is an apocalyptic number.

It is an amenable number.

432111321 is a deficient number, since it is larger than the sum of its proper divisors (248835879).

432111321 is a wasteful number, since it uses less digits than its factorization.

432111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366 (or 4360 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 432111321 is about 20787.2874853839. The cubic root of 432111321 is about 756.0175575413.

Adding to 432111321 its reverse (123111234), we get a palindrome (555222555).

The spelling of 432111321 in words is "four hundred thirty-two million, one hundred eleven thousand, three hundred twenty-one".