323220401 has 8 divisors (see below), whose sum is σ = 372092160. Its totient is φ = 275023008.

The previous prime is 323220319. The next prime is 323220413. The reversal of 323220401 is 104022323.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323220401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 323220401.

It is not an unprimeable number, because it can be changed into a prime (323220431) 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, 167561 + ... + 169478.

It is an arithmetic number, because the mean of its divisors is an integer number (46511520).

Almost surely, 2^323220401 is an apocalyptic number.

It is an amenable number.

323220401 is a deficient number, since it is larger than the sum of its proper divisors (48871759).

323220401 is a wasteful number, since it uses less digits than its factorization.

323220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337183.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 323220401 is about 17978.3314298074. The cubic root of 323220401 is about 686.2772277499.

Adding to 323220401 its reverse (104022323), we get a palindrome (427242724).

The spelling of 323220401 in words is "three hundred twenty-three million, two hundred twenty thousand, four hundred one".