320122123 has 4 divisors (see below), whose sum is σ = 326933280. Its totient is φ = 313310968.

The previous prime is 320122093. The next prime is 320122129. The reversal of 320122123 is 321221023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320122123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320122097 and 320122106.

It is not an unprimeable number, because it can be changed into a prime (320122129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3405508 + ... + 3405601.

It is an arithmetic number, because the mean of its divisors is an integer number (81733320).

Almost surely, 2^320122123 is an apocalyptic number.

320122123 is a deficient number, since it is larger than the sum of its proper divisors (6811157).

320122123 is an equidigital number, since it uses as much as digits as its factorization.

320122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811156.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 320122123 is about 17891.9569360090. The cubic root of 320122123 is about 684.0773790177.

Adding to 320122123 its reverse (321221023), we get a palindrome (641343146).

The spelling of 320122123 in words is "three hundred twenty million, one hundred twenty-two thousand, one hundred twenty-three".