23861666666387 has 24 divisors (see below), whose sum is σ = 26499782948688. Its totient is φ = 21467756344320.

The previous prime is 23861666666377. The next prime is 23861666666503. The reversal of 23861666666387 is 78366666616832.

It is not a de Polignac number, because 23861666666387 - 2³⁰ = 23860592924563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23861666666377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350115848 + ... + 350183994.

It is an arithmetic number, because the mean of its divisors is an integer number (1104157622862).

Almost surely, 2^{23861666666387} is an apocalyptic number.

23861666666387 is a deficient number, since it is larger than the sum of its proper divisors (2638116282301).

23861666666387 is a wasteful number, since it uses less digits than its factorization.

23861666666387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98099 (or 98088 counting only the distinct ones).

The product of its digits is 2257403904, while the sum is 74.

The spelling of 23861666666387 in words is "twenty-three trillion, eight hundred sixty-one billion, six hundred sixty-six million, six hundred sixty-six thousand, three hundred eighty-seven".