23987416845 has 64 divisors (see below), whose sum is σ = 45419512320. Its totient is φ = 10577215488.

The previous prime is 23987416807. The next prime is 23987416889. The reversal of 23987416845 is 54861478932.

It is a happy number.

It is not a de Polignac number, because 23987416845 - 2⁸ = 23987416589 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 in 63 ways as a sum of consecutive naturals, for example, 3702529 + ... + 3709001.

It is an arithmetic number, because the mean of its divisors is an integer number (709679880).

Almost surely, 2^23987416845 is an apocalyptic number.

It is an amenable number.

23987416845 is a deficient number, since it is larger than the sum of its proper divisors (21432095475).

23987416845 is a wasteful number, since it uses less digits than its factorization.

23987416845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7734.

The product of its digits is 11612160, while the sum is 57.

The spelling of 23987416845 in words is "twenty-three billion, nine hundred eighty-seven million, four hundred sixteen thousand, eight hundred forty-five".