432121424431 has 2 divisors, whose sum is σ = 432121424432. Its totient is φ = 432121424430.

The previous prime is 432121424411. The next prime is 432121424447. The reversal of 432121424431 is 134424121234.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 432121424431 - 2²¹ = 432119327279 is a prime.

It is a super-2 number, since 2×432121424431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 432121424393 and 432121424402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432121424411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216060712215 + 216060712216.

It is an arithmetic number, because the mean of its divisors is an integer number (216060712216).

Almost surely, 2^432121424431 is an apocalyptic number.

432121424431 is a deficient number, since it is larger than the sum of its proper divisors (1).

432121424431 is an equidigital number, since it uses as much as digits as its factorization.

432121424431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 31.

Adding to 432121424431 its reverse (134424121234), we get a palindrome (566545545665).

The spelling of 432121424431 in words is "four hundred thirty-two billion, one hundred twenty-one million, four hundred twenty-four thousand, four hundred thirty-one".