320303121122123 has 4 divisors (see below), whose sum is σ = 325731987581880. Its totient is φ = 314874254662368.

The previous prime is 320303121122111. The next prime is 320303121122143. The reversal of 320303121122123 is 321221121303023.

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 320303121122123 - 2³⁸ = 320028243215179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320303121122092 and 320303121122101.

It is not an unprimeable number, because it can be changed into a prime (320303121122143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2714433229790 + ... + 2714433229907.

It is an arithmetic number, because the mean of its divisors is an integer number (81432996895470).

Almost surely, 2^{320303121122123} is an apocalyptic number.

320303121122123 is a deficient number, since it is larger than the sum of its proper divisors (5428866459757).

320303121122123 is an equidigital number, since it uses as much as digits as its factorization.

320303121122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428866459756.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 320303121122123 its reverse (321221121303023), we get a palindrome (641524242425146).

The spelling of 320303121122123 in words is "three hundred twenty trillion, three hundred three billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-three".