320023130312123 has 4 divisors (see below), whose sum is σ = 365740720356720. Its totient is φ = 274305540267528.

The previous prime is 320023130312111. The next prime is 320023130312159. The reversal of 320023130312123 is 321213031320023.

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

It is not a de Polignac number, because 320023130312123 - 2⁴ = 320023130312107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320023130312092 and 320023130312101.

It is not an unprimeable number, because it can be changed into a prime (320023130312183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22858795022288 + ... + 22858795022301.

It is an arithmetic number, because the mean of its divisors is an integer number (91435180089180).

Almost surely, 2^{320023130312123} is an apocalyptic number.

320023130312123 is a deficient number, since it is larger than the sum of its proper divisors (45717590044597).

320023130312123 is an equidigital number, since it uses as much as digits as its factorization.

320023130312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45717590044596.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 320023130312123 its reverse (321213031320023), we get a palindrome (641236161632146).

The spelling of 320023130312123 in words is "three hundred twenty trillion, twenty-three billion, one hundred thirty million, three hundred twelve thousand, one hundred twenty-three".