320303001232123 has 16 divisors (see below), whose sum is σ = 394219960071616. Its totient is φ = 253425983662080.

The previous prime is 320303001232099. The next prime is 320303001232127. The reversal of 320303001232123 is 321232100303023.

It is a cyclic number.

It is not a de Polignac number, because 320303001232123 - 2²⁵ = 320302967677691 is a prime.

It is a super-2 number, since 2×320303001232123² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320303001232127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39610915 + ... + 47006707.

It is an arithmetic number, because the mean of its divisors is an integer number (24638747504476).

Almost surely, 2^{320303001232123} is an apocalyptic number.

320303001232123 is a deficient number, since it is larger than the sum of its proper divisors (73916958839493).

320303001232123 is a wasteful number, since it uses less digits than its factorization.

320303001232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7871734.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 320303001232123 its reverse (321232100303023), we get a palindrome (641535101535146).

The spelling of 320303001232123 in words is "three hundred twenty trillion, three hundred three billion, one million, two hundred thirty-two thousand, one hundred twenty-three".