23896378985 has 16 divisors (see below), whose sum is σ = 29609310720. Its totient is φ = 18495025920.

The previous prime is 23896378973. The next prime is 23896378999. The reversal of 23896378985 is 58987369832.

It is not a de Polignac number, because 23896378985 - 2⁴ = 23896378969 is a prime.

It is an unprimeable number.

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, 558929 + ... + 600161.

It is an arithmetic number, because the mean of its divisors is an integer number (1850581920).

Almost surely, 2^23896378985 is an apocalyptic number.

It is an amenable number.

23896378985 is a deficient number, since it is larger than the sum of its proper divisors (5712931735).

23896378985 is a wasteful number, since it uses less digits than its factorization.

23896378985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45008.

The product of its digits is 156764160, while the sum is 68.

The spelling of 23896378985 in words is "twenty-three billion, eight hundred ninety-six million, three hundred seventy-eight thousand, nine hundred eighty-five".