432430431 has 4 divisors (see below), whose sum is σ = 576573912. Its totient is φ = 288286952.

The previous prime is 432430423. The next prime is 432430451. The reversal of 432430431 is 134034234.

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 432430431 - 2³ = 432430423 is a prime.

It is a super-2 number, since 2×432430431² = 373992155309691522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432430451) 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, 72071736 + ... + 72071741.

It is an arithmetic number, because the mean of its divisors is an integer number (144143478).

Almost surely, 2^432430431 is an apocalyptic number.

432430431 is a deficient number, since it is larger than the sum of its proper divisors (144143481).

432430431 is a wasteful number, since it uses less digits than its factorization.

432430431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144143480.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 432430431 is about 20794.9616734439. The cubic root of 432430431 is about 756.2036156147.

Adding to 432430431 its reverse (134034234), we get a palindrome (566464665).

The spelling of 432430431 in words is "four hundred thirty-two million, four hundred thirty thousand, four hundred thirty-one".