12333232309 has 2 divisors, whose sum is σ = 12333232310. Its totient is φ = 12333232308.

The previous prime is 12333232283. The next prime is 12333232319. The reversal of 12333232309 is 90323233321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9820215409 + 2513016900 = 99097^2 + 50130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12333232309 is a prime.

It is a super-2 number, since 2×12333232309² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12333232319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6166616154 + 6166616155.

It is an arithmetic number, because the mean of its divisors is an integer number (6166616155).

Almost surely, 2^12333232309 is an apocalyptic number.

It is an amenable number.

12333232309 is a deficient number, since it is larger than the sum of its proper divisors (1).

12333232309 is an equidigital number, since it uses as much as digits as its factorization.

12333232309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 31.

The spelling of 12333232309 in words is "twelve billion, three hundred thirty-three million, two hundred thirty-two thousand, three hundred nine".