320430121231023 has 24 divisors (see below), whose sum is σ = 468745334104320. Its totient is φ = 210896657983440.

The previous prime is 320430121231001. The next prime is 320430121231043. The reversal of 320430121231023 is 320132121034023.

320430121231023 is a `hidden beast` number, since 3 + 2 + 0 + 4 + 301 + 21 + 2 + 310 + 23 = 666.

It is not a de Polignac number, because 320430121231023 - 2¹² = 320430121226927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320430121231043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12946761 + ... + 28433762.

It is an arithmetic number, because the mean of its divisors is an integer number (19531055587680).

Almost surely, 2^{320430121231023} is an apocalyptic number.

320430121231023 is a deficient number, since it is larger than the sum of its proper divisors (148315212873297).

320430121231023 is a wasteful number, since it uses less digits than its factorization.

320430121231023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41391499 (or 41391496 counting only the distinct ones).

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

Adding to 320430121231023 its reverse (320132121034023), we get a palindrome (640562242265046).

The spelling of 320430121231023 in words is "three hundred twenty trillion, four hundred thirty billion, one hundred twenty-one million, two hundred thirty-one thousand, twenty-three".