23939108986 has 64 divisors (see below), whose sum is σ = 39730134528. Its totient is φ = 10751827968.

The previous prime is 23939108971. The next prime is 23939109091. The reversal of 23939108986 is 68980193932.

It is a self number, because there is not a number n which added to its sum of digits gives 23939108986.

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 31 ways as a sum of consecutive naturals, for example, 47592411 + ... + 47592913.

It is an arithmetic number, because the mean of its divisors is an integer number (620783352).

Almost surely, 2^23939108986 is an apocalyptic number.

23939108986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23939108986 is a deficient number, since it is larger than the sum of its proper divisors (15791025542).

23939108986 is a wasteful number, since it uses less digits than its factorization.

23939108986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895.

The product of its (nonzero) digits is 5038848, while the sum is 58.

The spelling of 23939108986 in words is "twenty-three billion, nine hundred thirty-nine million, one hundred eight thousand, nine hundred eighty-six".