12323537 has 2 divisors, whose sum is σ = 12323538. Its totient is φ = 12323536.

The previous prime is 12323513. The next prime is 12323551. The reversal of 12323537 is 73532321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11669056 + 654481 = 3416^2 + 809^2 .

It is an emirp because it is prime and its reverse (73532321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12323537 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12323567) 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 as a sum of consecutive naturals, namely, 6161768 + 6161769.

It is an arithmetic number, because the mean of its divisors is an integer number (6161769).

Almost surely, 2^12323537 is an apocalyptic number.

It is an amenable number.

12323537 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323537 is an equidigital number, since it uses as much as digits as its factorization.

12323537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 26.

The square root of 12323537 is about 3510.4895669977. The cubic root of 12323537 is about 230.9821703723.

Adding to 12323537 its reverse (73532321), we get a palindrome (85855858).

The spelling of 12323537 in words is "twelve million, three hundred twenty-three thousand, five hundred thirty-seven".