23303324393 has 2 divisors, whose sum is σ = 23303324394. Its totient is φ = 23303324392.

The previous prime is 23303324389. The next prime is 23303324449. The reversal of 23303324393 is 39342330332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17043824704 + 6259499689 = 130552^2 + 79117^2 .

It is a cyclic number.

It is not a de Polignac number, because 23303324393 - 2² = 23303324389 is a prime.

It is not a weakly prime, because it can be changed into another prime (23303324323) 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, 11651662196 + 11651662197.

It is an arithmetic number, because the mean of its divisors is an integer number (11651662197).

Almost surely, 2^23303324393 is an apocalyptic number.

It is an amenable number.

23303324393 is a deficient number, since it is larger than the sum of its proper divisors (1).

23303324393 is an equidigital number, since it uses as much as digits as its factorization.

23303324393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 35.

The spelling of 23303324393 in words is "twenty-three billion, three hundred three million, three hundred twenty-four thousand, three hundred ninety-three".