323213021330321 has 4 divisors (see below), whose sum is σ = 323213805458544. Its totient is φ = 323212237202100.

The previous prime is 323213021330299. The next prime is 323213021330323. The reversal of 323213021330321 is 123033120312323.

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 323213021330321 - 2⁶ = 323213021330257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323213021330323) 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, 391445495 + ... + 392270316.

It is an arithmetic number, because the mean of its divisors is an integer number (80803451364636).

Almost surely, 2^{323213021330321} is an apocalyptic number.

It is an amenable number.

323213021330321 is a deficient number, since it is larger than the sum of its proper divisors (784128223).

323213021330321 is an equidigital number, since it uses as much as digits as its factorization.

323213021330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784128222.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 323213021330321 its reverse (123033120312323), we get a palindrome (446246141642644).

The spelling of 323213021330321 in words is "three hundred twenty-three trillion, two hundred thirteen billion, twenty-one million, three hundred thirty thousand, three hundred twenty-one".