431303121423 has 12 divisors (see below), whose sum is σ = 633552608520. Its totient is φ = 282661932336.

The previous prime is 431303121419. The next prime is 431303121437. The reversal of 431303121423 is 324121303134.

It is a happy number.

431303121423 is a `hidden beast` number, since 4 + 313 + 0 + 312 + 14 + 23 = 666.

It is not a de Polignac number, because 431303121423 - 2² = 431303121419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431303121443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406122936 + ... + 406123997.

It is an arithmetic number, because the mean of its divisors is an integer number (52796050710).

Almost surely, 2^431303121423 is an apocalyptic number.

431303121423 is a deficient number, since it is larger than the sum of its proper divisors (202249487097).

431303121423 is a wasteful number, since it uses less digits than its factorization.

431303121423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812246998 (or 812246995 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 431303121423 its reverse (324121303134), we get a palindrome (755424424557).

The spelling of 431303121423 in words is "four hundred thirty-one billion, three hundred three million, one hundred twenty-one thousand, four hundred twenty-three".