12323321 has 2 divisors, whose sum is σ = 12323322. Its totient is φ = 12323320.

The previous prime is 12323299. The next prime is 12323357. The reversal of 12323321 is 12332321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10725625 + 1597696 = 3275^2 + 1264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12323321 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12323321.

It is not a weakly prime, because it can be changed into another prime (12323371) 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 as a sum of consecutive naturals, namely, 6161660 + 6161661.

It is an arithmetic number, because the mean of its divisors is an integer number (6161661).

Almost surely, 2^12323321 is an apocalyptic number.

It is an amenable number.

12323321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323321 is an equidigital number, since it uses as much as digits as its factorization.

12323321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 17.

The square root of 12323321 is about 3510.4588019232. The cubic root of 12323321 is about 230.9808208560.

Adding to 12323321 its reverse (12332321), we get a palindrome (24655642).

The spelling of 12323321 in words is "twelve million, three hundred twenty-three thousand, three hundred twenty-one".