323120323 has 4 divisors (see below), whose sum is σ = 323429400. Its totient is φ = 322811248.

The previous prime is 323120321. The next prime is 323120341. The reversal of 323120323 is 323021323.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 323120323 - 2¹ = 323120321 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 323120323.

It is not an unprimeable number, because it can be changed into a prime (323120321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152965 + ... + 155062.

It is an arithmetic number, because the mean of its divisors is an integer number (80857350).

Almost surely, 2^323120323 is an apocalyptic number.

323120323 is a deficient number, since it is larger than the sum of its proper divisors (309077).

323120323 is a wasteful number, since it uses less digits than its factorization.

323120323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309076.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 323120323 is about 17975.5479193264. The cubic root of 323120323 is about 686.2063902843.

Adding to 323120323 its reverse (323021323), we get a palindrome (646141646).

The spelling of 323120323 in words is "three hundred twenty-three million, one hundred twenty thousand, three hundred twenty-three".