23699956811 has 2 divisors, whose sum is σ = 23699956812. Its totient is φ = 23699956810.

The previous prime is 23699956733. The next prime is 23699956829. The reversal of 23699956811 is 11865999632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23699956811 - 2¹⁰ = 23699955787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (23699956211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11849978405 + 11849978406.

It is an arithmetic number, because the mean of its divisors is an integer number (11849978406).

Almost surely, 2^23699956811 is an apocalyptic number.

23699956811 is a deficient number, since it is larger than the sum of its proper divisors (1).

23699956811 is an equidigital number, since it uses as much as digits as its factorization.

23699956811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6298560, while the sum is 59.

The spelling of 23699956811 in words is "twenty-three billion, six hundred ninety-nine million, nine hundred fifty-six thousand, eight hundred eleven".