23720093899 has 2 divisors, whose sum is σ = 23720093900. Its totient is φ = 23720093898.

The previous prime is 23720093879. The next prime is 23720093921. The reversal of 23720093899 is 99839002732.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23720093899 is a prime.

It is not a weakly prime, because it can be changed into another prime (23720093869) 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, 11860046949 + 11860046950.

It is an arithmetic number, because the mean of its divisors is an integer number (11860046950).

Almost surely, 2^23720093899 is an apocalyptic number.

23720093899 is a deficient number, since it is larger than the sum of its proper divisors (1).

23720093899 is an equidigital number, since it uses as much as digits as its factorization.

23720093899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 23720093899 in words is "twenty-three billion, seven hundred twenty million, ninety-three thousand, eight hundred ninety-nine".