432140431 has 2 divisors, whose sum is σ = 432140432. Its totient is φ = 432140430.

The previous prime is 432140383. The next prime is 432140437. The reversal of 432140431 is 134041234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 432140431 - 2⁹ = 432139919 is a prime.

It is a super-2 number, since 2×432140431² = 373490704209731522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432140437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216070215 + 216070216.

It is an arithmetic number, because the mean of its divisors is an integer number (216070216).

Almost surely, 2^432140431 is an apocalyptic number.

432140431 is a deficient number, since it is larger than the sum of its proper divisors (1).

432140431 is an equidigital number, since it uses as much as digits as its factorization.

432140431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 432140431 is about 20787.9876611470. The cubic root of 432140431 is about 756.0345340131.

Adding to 432140431 its reverse (134041234), we get a palindrome (566181665).

The spelling of 432140431 in words is "four hundred thirty-two million, one hundred forty thousand, four hundred thirty-one".