23623872987 has 16 divisors (see below), whose sum is σ = 37005228288. Its totient is φ = 13216152480.

The previous prime is 23623872983. The next prime is 23623873001. The reversal of 23623872987 is 78927832632.

It is not a de Polignac number, because 23623872987 - 2² = 23623872983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23623872983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27533223 + ... + 27534080.

It is an arithmetic number, because the mean of its divisors is an integer number (2312826768).

Almost surely, 2^23623872987 is an apocalyptic number.

23623872987 is a deficient number, since it is larger than the sum of its proper divisors (13381355301).

23623872987 is a wasteful number, since it uses less digits than its factorization.

23623872987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55067330.

The product of its digits is 12192768, while the sum is 57.

The spelling of 23623872987 in words is "twenty-three billion, six hundred twenty-three million, eight hundred seventy-two thousand, nine hundred eighty-seven".