23665950799 has 2 divisors, whose sum is σ = 23665950800. Its totient is φ = 23665950798.

The previous prime is 23665950793. The next prime is 23665950817. The reversal of 23665950799 is 99705956632.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23665950799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23665950793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11832975399 + 11832975400.

It is an arithmetic number, because the mean of its divisors is an integer number (11832975400).

Almost surely, 2^23665950799 is an apocalyptic number.

23665950799 is a deficient number, since it is larger than the sum of its proper divisors (1).

23665950799 is an equidigital number, since it uses as much as digits as its factorization.

23665950799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27556200, while the sum is 61.

The spelling of 23665950799 in words is "twenty-three billion, six hundred sixty-five million, nine hundred fifty thousand, seven hundred ninety-nine".