321310322123 has 4 divisors (see below), whose sum is σ = 367211796720. Its totient is φ = 275408847528.

The previous prime is 321310322063. The next prime is 321310322141. The reversal of 321310322123 is 321223013123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321223013123 = 288559 ⋅1113197.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321310322123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321310322143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22950737288 + ... + 22950737301.

It is an arithmetic number, because the mean of its divisors is an integer number (91802949180).

Almost surely, 2^321310322123 is an apocalyptic number.

321310322123 is a deficient number, since it is larger than the sum of its proper divisors (45901474597).

321310322123 is an equidigital number, since it uses as much as digits as its factorization.

321310322123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45901474596.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 321310322123 its reverse (321223013123), we get a palindrome (642533335246).

The spelling of 321310322123 in words is "three hundred twenty-one billion, three hundred ten million, three hundred twenty-two thousand, one hundred twenty-three".