432420421231 has 2 divisors, whose sum is σ = 432420421232. Its totient is φ = 432420421230.

The previous prime is 432420421189. The next prime is 432420421247. The reversal of 432420421231 is 132124024234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 432420421231 - 2¹¹ = 432420419183 is a prime.

It is a super-2 number, since 2×432420421231² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 432420421231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432420421031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216210210615 + 216210210616.

It is an arithmetic number, because the mean of its divisors is an integer number (216210210616).

Almost surely, 2^432420421231 is an apocalyptic number.

432420421231 is a deficient number, since it is larger than the sum of its proper divisors (1).

432420421231 is an equidigital number, since it uses as much as digits as its factorization.

432420421231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 432420421231 its reverse (132124024234), we get a palindrome (564544445465).

The spelling of 432420421231 in words is "four hundred thirty-two billion, four hundred twenty million, four hundred twenty-one thousand, two hundred thirty-one".