321323123 has 6 divisors (see below), whose sum is σ = 353190012. Its totient is φ = 292111820.

The previous prime is 321323083. The next prime is 321323141.

321323123 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-321323123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321323095 and 321323104.

It is not an unprimeable number, because it can be changed into a prime (321323183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1327661 + ... + 1327902.

It is an arithmetic number, because the mean of its divisors is an integer number (58865002).

Almost surely, 2^321323123 is an apocalyptic number.

321323123 is a deficient number, since it is larger than the sum of its proper divisors (31866889).

321323123 is a wasteful number, since it uses less digits than its factorization.

321323123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655585 (or 2655574 counting only the distinct ones).

The product of its digits is 648, while the sum is 20.

The square root of 321323123 is about 17925.4880826158. The cubic root of 321323123 is about 684.9317942284.

The spelling of 321323123 in words is "three hundred twenty-one million, three hundred twenty-three thousand, one hundred twenty-three".