323203312302121 has 4 divisors (see below), whose sum is σ = 323777385681552. Its totient is φ = 322629238922692.

The previous prime is 323203312302113. The next prime is 323203312302133. The reversal of 323203312302121 is 121203213302323.

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 323203312302121 - 2³ = 323203312302113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323203312302121.

It is not an unprimeable number, because it can be changed into a prime (323203312302151) 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, 287036688871 + ... + 287036689996.

It is an arithmetic number, because the mean of its divisors is an integer number (80944346420388).

Almost surely, 2^{323203312302121} is an apocalyptic number.

It is an amenable number.

323203312302121 is a deficient number, since it is larger than the sum of its proper divisors (574073379431).

323203312302121 is an equidigital number, since it uses as much as digits as its factorization.

323203312302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574073379430.

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

Adding to 323203312302121 its reverse (121203213302323), we get a palindrome (444406525604444).

The spelling of 323203312302121 in words is "three hundred twenty-three trillion, two hundred three billion, three hundred twelve million, three hundred two thousand, one hundred twenty-one".