323213321113021 has 4 divisors (see below), whose sum is σ = 323213719726044. Its totient is φ = 323212922500000.

The previous prime is 323213321112947. The next prime is 323213321113031. The reversal of 323213321113021 is 120311123312323.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 163204457522500 + 160008863590521 = 12775150^2 + 12649461^2 .

It is a cyclic number.

It is not a de Polignac number, because 323213321113021 - 2⁷ = 323213321112893 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 (323213321113031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198087760 + ... + 199712761.

It is an arithmetic number, because the mean of its divisors is an integer number (80803429931511).

Almost surely, 2^{323213321113021} is an apocalyptic number.

It is an amenable number.

323213321113021 is a deficient number, since it is larger than the sum of its proper divisors (398613023).

323213321113021 is an equidigital number, since it uses as much as digits as its factorization.

323213321113021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398613022.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 323213321113021 its reverse (120311123312323), we get a palindrome (443524444425344).

The spelling of 323213321113021 in words is "three hundred twenty-three trillion, two hundred thirteen billion, three hundred twenty-one million, one hundred thirteen thousand, twenty-one".