23256674809 has 2 divisors, whose sum is σ = 23256674810. Its totient is φ = 23256674808.

The previous prime is 23256674797. The next prime is 23256674869. The reversal of 23256674809 is 90847665232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13503137209 + 9753537600 = 116203^2 + 98760^2 .

It is a cyclic number.

It is not a de Polignac number, because 23256674809 - 2⁷ = 23256674681 is a prime.

It is not a weakly prime, because it can be changed into another prime (23256674869) 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, 11628337404 + 11628337405.

It is an arithmetic number, because the mean of its divisors is an integer number (11628337405).

Almost surely, 2^23256674809 is an apocalyptic number.

It is an amenable number.

23256674809 is a deficient number, since it is larger than the sum of its proper divisors (1).

23256674809 is an equidigital number, since it uses as much as digits as its factorization.

23256674809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 23256674809 in words is "twenty-three billion, two hundred fifty-six million, six hundred seventy-four thousand, eight hundred nine".