321012323 has 4 divisors (see below), whose sum is σ = 321048168. Its totient is φ = 320976480.

The previous prime is 321012287. The next prime is 321012337. The reversal of 321012323 is 323210123.

321012323 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 321012323 - 2⁸ = 321012067 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321012623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8315 + ... + 26667.

It is an arithmetic number, because the mean of its divisors is an integer number (80262042).

Almost surely, 2^321012323 is an apocalyptic number.

321012323 is a deficient number, since it is larger than the sum of its proper divisors (35845).

321012323 is a wasteful number, since it uses less digits than its factorization.

321012323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35844.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 321012323 is about 17916.8167652627. The cubic root of 321012323 is about 684.7108894149.

Adding to 321012323 its reverse (323210123), we get a palindrome (644222446).

The spelling of 321012323 in words is "three hundred twenty-one million, twelve thousand, three hundred twenty-three".