432428723 has 4 divisors (see below), whose sum is σ = 432577920. Its totient is φ = 432279528.

The previous prime is 432428707. The next prime is 432428741. The reversal of 432428723 is 327824234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 432428723 - 2⁴ = 432428707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432428743) 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, 70163 + ... + 76076.

It is an arithmetic number, because the mean of its divisors is an integer number (108144480).

Almost surely, 2^432428723 is an apocalyptic number.

432428723 is a deficient number, since it is larger than the sum of its proper divisors (149197).

432428723 is a wasteful number, since it uses less digits than its factorization.

432428723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149196.

The product of its digits is 64512, while the sum is 35.

The square root of 432428723 is about 20794.9206057633. The cubic root of 432428723 is about 756.2026200037.

The spelling of 432428723 in words is "four hundred thirty-two million, four hundred twenty-eight thousand, seven hundred twenty-three".