432303021 has 8 divisors (see below), whose sum is σ = 640448960. Its totient is φ = 288201996.

The previous prime is 432303019. The next prime is 432303031. The reversal of 432303021 is 120303234.

It is not a de Polignac number, because 432303021 - 2¹ = 432303019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 432302985 and 432303003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432303031) 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, 8005585 + ... + 8005638.

It is an arithmetic number, because the mean of its divisors is an integer number (80056120).

Almost surely, 2^432303021 is an apocalyptic number.

It is an amenable number.

432303021 is a deficient number, since it is larger than the sum of its proper divisors (208145939).

432303021 is a wasteful number, since it uses less digits than its factorization.

432303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16011232 (or 16011226 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 432303021 is about 20791.8979653133. The cubic root of 432303021 is about 756.1293398007.

Adding to 432303021 its reverse (120303234), we get a palindrome (552606255).

The spelling of 432303021 in words is "four hundred thirty-two million, three hundred three thousand, twenty-one".