321310010323 has 4 divisors (see below), whose sum is σ = 321356698888. Its totient is φ = 321263321760.

The previous prime is 321310010293. The next prime is 321310010377. The reversal of 321310010323 is 323010013123.

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-321310010323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321310010323.

It is not an unprimeable number, because it can be changed into a prime (321310010393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23333958 + ... + 23347723.

It is an arithmetic number, because the mean of its divisors is an integer number (80339174722).

Almost surely, 2^321310010323 is an apocalyptic number.

321310010323 is a deficient number, since it is larger than the sum of its proper divisors (46688565).

321310010323 is an equidigital number, since it uses as much as digits as its factorization.

321310010323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46688564.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 321310010323 its reverse (323010013123), we get a palindrome (644320023446).

The spelling of 321310010323 in words is "three hundred twenty-one billion, three hundred ten million, ten thousand, three hundred twenty-three".