432240239 has 2 divisors, whose sum is σ = 432240240. Its totient is φ = 432240238.

The previous prime is 432240199. The next prime is 432240241. The reversal of 432240239 is 932042234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 432240239 - 2²⁸ = 163804783 is a prime.

Together with 432240241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432240269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216120119 + 216120120.

It is an arithmetic number, because the mean of its divisors is an integer number (216120120).

Almost surely, 2^432240239 is an apocalyptic number.

432240239 is a deficient number, since it is larger than the sum of its proper divisors (1).

432240239 is an equidigital number, since it uses as much as digits as its factorization.

432240239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 432240239 is about 20790.3881397149. The cubic root of 432240239 is about 756.0927346047.

The spelling of 432240239 in words is "four hundred thirty-two million, two hundred forty thousand, two hundred thirty-nine".