12320431023 has 8 divisors (see below), whose sum is σ = 16510629168. Its totient is φ = 8171926784.

The previous prime is 12320431007. The next prime is 12320431037. The reversal of 12320431023 is 32013402321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12320431023 - 2⁴ = 12320431007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320431073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10422786 + ... + 10423967.

It is an arithmetic number, because the mean of its divisors is an integer number (2063828646).

Almost surely, 2^12320431023 is an apocalyptic number.

12320431023 is a deficient number, since it is larger than the sum of its proper divisors (4190198145).

12320431023 is a wasteful number, since it uses less digits than its factorization.

12320431023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20846953.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12320431023 its reverse (32013402321), we get a palindrome (44333833344).

The spelling of 12320431023 in words is "twelve billion, three hundred twenty million, four hundred thirty-one thousand, twenty-three".