12323566 has 16 divisors (see below), whose sum is σ = 18935280. Its totient is φ = 6013440.

The previous prime is 12323551. The next prime is 12323567. The reversal of 12323566 is 66532321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323567) 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, 21070 + ... + 21646.

It is an arithmetic number, because the mean of its divisors is an integer number (1183455).

Almost surely, 2^12323566 is an apocalyptic number.

12323566 is a deficient number, since it is larger than the sum of its proper divisors (6611714).

12323566 is a wasteful number, since it uses less digits than its factorization.

12323566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819.

The product of its digits is 6480, while the sum is 28.

The square root of 12323566 is about 3510.4936974733. The cubic root of 12323566 is about 230.9823515561.

Adding to 12323566 its reverse (66532321), we get a palindrome (78855887).

The spelling of 12323566 in words is "twelve million, three hundred twenty-three thousand, five hundred sixty-six".