432331243 has 2 divisors, whose sum is σ = 432331244. Its totient is φ = 432331242.

The previous prime is 432331201. The next prime is 432331247. The reversal of 432331243 is 342133234.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432331243 is a prime.

It is not a weakly prime, because it can be changed into another prime (432331247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216165621 + 216165622.

It is an arithmetic number, because the mean of its divisors is an integer number (216165622).

Almost surely, 2^432331243 is an apocalyptic number.

432331243 is a deficient number, since it is larger than the sum of its proper divisors (1).

432331243 is an equidigital number, since it uses as much as digits as its factorization.

432331243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 25.

The square root of 432331243 is about 20792.5766320579. The cubic root of 432331243 is about 756.1457935510.

Adding to 432331243 its reverse (342133234), we get a palindrome (774464477).

The spelling of 432331243 in words is "four hundred thirty-two million, three hundred thirty-one thousand, two hundred forty-three".