321373123 has 2 divisors, whose sum is σ = 321373124. Its totient is φ = 321373122.

The previous prime is 321373111. The next prime is 321373127.

321373123 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321373123 is a prime.

It is not a weakly prime, because it can be changed into another prime (321373127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160686561 + 160686562.

It is an arithmetic number, because the mean of its divisors is an integer number (160686562).

Almost surely, 2^321373123 is an apocalyptic number.

321373123 is a deficient number, since it is larger than the sum of its proper divisors (1).

321373123 is an equidigital number, since it uses as much as digits as its factorization.

321373123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 25.

The square root of 321373123 is about 17926.8826905293. The cubic root of 321373123 is about 684.9673190226.

The spelling of 321373123 in words is "three hundred twenty-one million, three hundred seventy-three thousand, one hundred twenty-three".