431121122423 has 2 divisors, whose sum is σ = 431121122424. Its totient is φ = 431121122422.

The previous prime is 431121122417. The next prime is 431121122461. The reversal of 431121122423 is 324221121134.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431121122423 - 2³⁶ = 362401645687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431121122392 and 431121122401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431121122413) 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, 215560561211 + 215560561212.

It is an arithmetic number, because the mean of its divisors is an integer number (215560561212).

Almost surely, 2^431121122423 is an apocalyptic number.

431121122423 is a deficient number, since it is larger than the sum of its proper divisors (1).

431121122423 is an equidigital number, since it uses as much as digits as its factorization.

431121122423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

Adding to 431121122423 its reverse (324221121134), we get a palindrome (755342243557).

The spelling of 431121122423 in words is "four hundred thirty-one billion, one hundred twenty-one million, one hundred twenty-two thousand, four hundred twenty-three".