323120121 has 4 divisors (see below), whose sum is σ = 430826832. Its totient is φ = 215413412.

The previous prime is 323120093. The next prime is 323120129. The reversal of 323120121 is 121021323.

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 323120121 - 2⁵ = 323120089 is a prime.

It is a super-2 number, since 2×323120121² = 208813225190109282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323120121.

It is not an unprimeable number, because it can be changed into a prime (323120129) 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, 53853351 + ... + 53853356.

It is an arithmetic number, because the mean of its divisors is an integer number (107706708).

Almost surely, 2^323120121 is an apocalyptic number.

It is an amenable number.

323120121 is a deficient number, since it is larger than the sum of its proper divisors (107706711).

323120121 is a wasteful number, since it uses less digits than its factorization.

323120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107706710.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 323120121 is about 17975.5423005816. The cubic root of 323120121 is about 686.2062472894.

Adding to 323120121 its reverse (121021323), we get a palindrome (444141444).

The spelling of 323120121 in words is "three hundred twenty-three million, one hundred twenty thousand, one hundred twenty-one".