12320032310123 has 4 divisors (see below), whose sum is σ = 12855685888848. Its totient is φ = 11784378731400.

The previous prime is 12320032310107. The next prime is 12320032310141. The reversal of 12320032310123 is 32101323002321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12320032310123 - 2⁴ = 12320032310107 is a prime.

It is a super-2 number, since 2×12320032310123² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 535653578701 = 12320032310123 / (1 + 2 + 3 + 2 + 0 + 0 + 3 + 2 + 3 + 1 + 0 + 1 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320032310153) 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 3 ways as a sum of consecutive naturals, for example, 267826789328 + ... + 267826789373.

It is an arithmetic number, because the mean of its divisors is an integer number (3213921472212).

Almost surely, 2^{12320032310123} is an apocalyptic number.

12320032310123 is a deficient number, since it is larger than the sum of its proper divisors (535653578725).

12320032310123 is an equidigital number, since it uses as much as digits as its factorization.

12320032310123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535653578724.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12320032310123 its reverse (32101323002321), we get a palindrome (44421355312444).

The spelling of 12320032310123 in words is "twelve trillion, three hundred twenty billion, thirty-two million, three hundred ten thousand, one hundred twenty-three".