432203321 has 4 divisors (see below), whose sum is σ = 471494544. Its totient is φ = 392912100.

The previous prime is 432203297. The next prime is 432203323. The reversal of 432203321 is 123302234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 432203321 - 2¹⁸ = 431941177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 432203293 and 432203302.

It is not an unprimeable number, because it can be changed into a prime (432203323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19645595 + ... + 19645616.

It is an arithmetic number, because the mean of its divisors is an integer number (117873636).

Almost surely, 2^432203321 is an apocalyptic number.

It is an amenable number.

432203321 is a deficient number, since it is larger than the sum of its proper divisors (39291223).

432203321 is a wasteful number, since it uses less digits than its factorization.

432203321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39291222.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 432203321 is about 20789.5002585440. The cubic root of 432203321 is about 756.0712078210.

Adding to 432203321 its reverse (123302234), we get a palindrome (555505555).

The spelling of 432203321 in words is "four hundred thirty-two million, two hundred three thousand, three hundred twenty-one".