23656243677 has 16 divisors (see below), whose sum is σ = 34420654080. Its totient is φ = 14332295600.

The previous prime is 23656243649. The next prime is 23656243693. The reversal of 23656243677 is 77634265632.

It is a cyclic number.

It is not a de Polignac number, because 23656243677 - 2⁷ = 23656243549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23656243277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19677 + ... + 218402.

It is an arithmetic number, because the mean of its divisors is an integer number (2151290880).

Almost surely, 2^23656243677 is an apocalyptic number.

It is an amenable number.

23656243677 is a deficient number, since it is larger than the sum of its proper divisors (10764410403).

23656243677 is a wasteful number, since it uses less digits than its factorization.

23656243677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241104.

The product of its digits is 7620480, while the sum is 51.

The spelling of 23656243677 in words is "twenty-three billion, six hundred fifty-six million, two hundred forty-three thousand, six hundred seventy-seven".