23556691335679 has 4 divisors (see below), whose sum is σ = 23558980848480. Its totient is φ = 23554401822880.

The previous prime is 23556691335677. The next prime is 23556691335703. The reversal of 23556691335679 is 97653319665532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23556691335679 - 2¹ = 23556691335677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23556691335677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144740967 + ... + 1144761544.

It is an arithmetic number, because the mean of its divisors is an integer number (5889745212120).

Almost surely, 2^{23556691335679} is an apocalyptic number.

23556691335679 is a deficient number, since it is larger than the sum of its proper divisors (2289512801).

23556691335679 is a wasteful number, since it uses less digits than its factorization.

23556691335679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289512800.

The product of its digits is 826686000, while the sum is 70.

The spelling of 23556691335679 in words is "twenty-three trillion, five hundred fifty-six billion, six hundred ninety-one million, three hundred thirty-five thousand, six hundred seventy-nine".