323130121 has 4 divisors (see below), whose sum is σ = 324417744. Its totient is φ = 321842500.

The previous prime is 323130097. The next prime is 323130133. The reversal of 323130121 is 121031323.

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 323130121 - 2⁵ = 323130089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323130095 and 323130104.

It is not an unprimeable number, because it can be changed into a prime (323130161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643435 + ... + 643936.

It is an arithmetic number, because the mean of its divisors is an integer number (81104436).

Almost surely, 2^323130121 is an apocalyptic number.

It is an amenable number.

323130121 is a deficient number, since it is larger than the sum of its proper divisors (1287623).

323130121 is a wasteful number, since it uses less digits than its factorization.

323130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287622.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 323130121 is about 17975.8204541545. The cubic root of 323130121 is about 686.2133261755.

Adding to 323130121 its reverse (121031323), we get a palindrome (444161444).

The spelling of 323130121 in words is "three hundred twenty-three million, one hundred thirty thousand, one hundred twenty-one".