323213313022021 has 4 divisors (see below), whose sum is σ = 340224540023200. Its totient is φ = 306202086020844.

The previous prime is 323213313022013. The next prime is 323213313022037. The reversal of 323213313022021 is 120220313312323.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 323213313022021 - 2³ = 323213313022013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323213313022121) 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, 8505613500561 + ... + 8505613500598.

It is an arithmetic number, because the mean of its divisors is an integer number (85056135005800).

Almost surely, 2^{323213313022021} is an apocalyptic number.

It is an amenable number.

323213313022021 is a deficient number, since it is larger than the sum of its proper divisors (17011227001179).

323213313022021 is a wasteful number, since it uses less digits than its factorization.

323213313022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17011227001178.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 323213313022021 its reverse (120220313312323), we get a palindrome (443433626334344).

The spelling of 323213313022021 in words is "three hundred twenty-three trillion, two hundred thirteen billion, three hundred thirteen million, twenty-two thousand, twenty-one".