432213321 has 8 divisors (see below), whose sum is σ = 610183584. Its totient is φ = 271192640.

The previous prime is 432213319. The next prime is 432213323. The reversal of 432213321 is 123312234.

It is an interprime number because it is at equal distance from previous prime (432213319) and next prime (432213323).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 432213321 - 2¹ = 432213319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (432213323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4237335 + ... + 4237436.

It is an arithmetic number, because the mean of its divisors is an integer number (76272948).

Almost surely, 2^432213321 is an apocalyptic number.

It is an amenable number.

432213321 is a deficient number, since it is larger than the sum of its proper divisors (177970263).

432213321 is a wasteful number, since it uses less digits than its factorization.

432213321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8474791.

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

The square root of 432213321 is about 20789.7407631745. The cubic root of 432213321 is about 756.0770389144.

Adding to 432213321 its reverse (123312234), we get a palindrome (555525555).

The spelling of 432213321 in words is "four hundred thirty-two million, two hundred thirteen thousand, three hundred twenty-one".