323132321 has 8 divisors (see below), whose sum is σ = 331805760. Its totient is φ = 314565552.

The previous prime is 323132309. The next prime is 323132333. The reversal of 323132321 is 123231323.

It is an interprime number because it is at equal distance from previous prime (323132309) and next prime (323132333).

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 323132321 - 2²⁶ = 256023457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323132293 and 323132302.

It is not an unprimeable number, because it can be changed into a prime (323135321) 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 7 ways as a sum of consecutive naturals, for example, 20510 + ... + 32663.

It is an arithmetic number, because the mean of its divisors is an integer number (41475720).

Almost surely, 2^323132321 is an apocalyptic number.

It is an amenable number.

323132321 is a deficient number, since it is larger than the sum of its proper divisors (8673439).

323132321 is a wasteful number, since it uses less digits than its factorization.

323132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53335.

The product of its digits is 648, while the sum is 20.

The square root of 323132321 is about 17975.8816473629. The cubic root of 323132321 is about 686.2148835109.

Adding to 323132321 its reverse (123231323), we get a palindrome (446363644).

The spelling of 323132321 in words is "three hundred twenty-three million, one hundred thirty-two thousand, three hundred twenty-one".