323120221 has 8 divisors (see below), whose sum is σ = 331531200. Its totient is φ = 314734560.

The previous prime is 323120201. The next prime is 323120227. The reversal of 323120221 is 122021323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 323120221 - 2⁷ = 323120093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323120195 and 323120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323120227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21040 + ... + 32998.

It is an arithmetic number, because the mean of its divisors is an integer number (41441400).

Almost surely, 2^323120221 is an apocalyptic number.

It is an amenable number.

323120221 is a deficient number, since it is larger than the sum of its proper divisors (8410979).

323120221 is a wasteful number, since it uses less digits than its factorization.

323120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12659.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 323120221 is about 17975.5450821387. The cubic root of 323120221 is about 686.2063180789.

Adding to 323120221 its reverse (122021323), we get a palindrome (445141544).

The spelling of 323120221 in words is "three hundred twenty-three million, one hundred twenty thousand, two hundred twenty-one".