323631121 has 8 divisors (see below), whose sum is σ = 355220064. Its totient is φ = 292403520.

The previous prime is 323631109. The next prime is 323631149. The reversal of 323631121 is 121136323.

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 323631121 - 2⁵ = 323631089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323631092 and 323631101.

It is not an unprimeable number, because it can be changed into a prime (323631101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88456 + ... + 92041.

It is an arithmetic number, because the mean of its divisors is an integer number (44402508).

Almost surely, 2^323631121 is an apocalyptic number.

It is an amenable number.

323631121 is a deficient number, since it is larger than the sum of its proper divisors (31588943).

323631121 is a wasteful number, since it uses less digits than its factorization.

323631121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180671.

The product of its digits is 648, while the sum is 22.

The square root of 323631121 is about 17989.7504429606. The cubic root of 323631121 is about 686.5677915834.

Adding to 323631121 its reverse (121136323), we get a palindrome (444767444).

The spelling of 323631121 in words is "three hundred twenty-three million, six hundred thirty-one thousand, one hundred twenty-one".