23988506959871 has 4 divisors (see below), whose sum is σ = 23988552510552. Its totient is φ = 23988461409192.

The previous prime is 23988506959759. The next prime is 23988506959873. The reversal of 23988506959871 is 17895960588932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23988506959871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23988506959873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21976040 + ... + 23041773.

It is an arithmetic number, because the mean of its divisors is an integer number (5997138127638).

Almost surely, 2^{23988506959871} is an apocalyptic number.

23988506959871 is a deficient number, since it is larger than the sum of its proper divisors (45550681).

23988506959871 is an equidigital number, since it uses as much as digits as its factorization.

23988506959871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45550680.

The product of its (nonzero) digits is 2351462400, while the sum is 80.

The spelling of 23988506959871 in words is "twenty-three trillion, nine hundred eighty-eight billion, five hundred six million, nine hundred fifty-nine thousand, eight hundred seventy-one".