23573981159 has 2 divisors, whose sum is σ = 23573981160. Its totient is φ = 23573981158.

The previous prime is 23573981147. The next prime is 23573981227. The reversal of 23573981159 is 95118937532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23573981159 - 2⁴ = 23573981143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23573981159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23573881159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11786990579 + 11786990580.

It is an arithmetic number, because the mean of its divisors is an integer number (11786990580).

Almost surely, 2^23573981159 is an apocalyptic number.

23573981159 is a deficient number, since it is larger than the sum of its proper divisors (1).

23573981159 is an equidigital number, since it uses as much as digits as its factorization.

23573981159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2041200, while the sum is 53.

The spelling of 23573981159 in words is "twenty-three billion, five hundred seventy-three million, nine hundred eighty-one thousand, one hundred fifty-nine".