432140231 has 4 divisors (see below), whose sum is σ = 441334752. Its totient is φ = 422945712.

The previous prime is 432140213. The next prime is 432140243. The reversal of 432140231 is 132041234.

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 432140231 - 2⁶ = 432140167 is a prime.

It is a super-2 number, since 2×432140231² = 373490358497466722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432140431) 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, 4597190 + ... + 4597283.

It is an arithmetic number, because the mean of its divisors is an integer number (110333688).

Almost surely, 2^432140231 is an apocalyptic number.

432140231 is a deficient number, since it is larger than the sum of its proper divisors (9194521).

432140231 is an equidigital number, since it uses as much as digits as its factorization.

432140231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9194520.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 432140231 is about 20787.9828506760. The cubic root of 432140231 is about 756.0344173790.

Adding to 432140231 its reverse (132041234), we get a palindrome (564181465).

The spelling of 432140231 in words is "four hundred thirty-two million, one hundred forty thousand, two hundred thirty-one".