323021222013 has 12 divisors (see below), whose sum is σ = 501012507840. Its totient is φ = 184583555352.

The previous prime is 323021221997. The next prime is 323021222039. The reversal of 323021222013 is 310222120323.

It is a happy number.

It is not a de Polignac number, because 323021222013 - 2⁴ = 323021221997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323021227013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1098711493 + ... + 1098711786.

It is an arithmetic number, because the mean of its divisors is an integer number (41751042320).

Almost surely, 2^323021222013 is an apocalyptic number.

It is an amenable number.

323021222013 is a deficient number, since it is larger than the sum of its proper divisors (177991285827).

323021222013 is a wasteful number, since it uses less digits than its factorization.

323021222013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197423296 (or 2197423289 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 323021222013 its reverse (310222120323), we get a palindrome (633243342336).

The spelling of 323021222013 in words is "three hundred twenty-three billion, twenty-one million, two hundred twenty-two thousand, thirteen".