12323331 has 24 divisors (see below), whose sum is σ = 19088160. Its totient is φ = 7641216.

The previous prime is 12323321. The next prime is 12323357. The reversal of 12323331 is 13332321.

12323331 is a `hidden beast` number, since 12 + 323 + 331 = 666.

It is not a de Polignac number, because 12323331 - 2⁵ = 12323299 is a prime.

It is a super-2 number, since 2×12323331² = 303728973871122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12323321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6855 + ... + 8463.

It is an arithmetic number, because the mean of its divisors is an integer number (795340).

Almost surely, 2^12323331 is an apocalyptic number.

12323331 is a deficient number, since it is larger than the sum of its proper divisors (6764829).

12323331 is a wasteful number, since it uses less digits than its factorization.

12323331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1672 counting only the distinct ones).

The product of its digits is 324, while the sum is 18.

The square root of 12323331 is about 3510.4602262381. The cubic root of 12323331 is about 230.9808833340.

Adding to 12323331 its reverse (13332321), we get a palindrome (25655652).

The spelling of 12323331 in words is "twelve million, three hundred twenty-three thousand, three hundred thirty-one".