23646549681868 has 36 divisors (see below), whose sum is σ = 42899108772520. Its totient is φ = 11404523136384.

The previous prime is 23646549681841. The next prime is 23646549681877. The reversal of 23646549681868 is 86818694564632.

It is a super-2 number, since 2×23646549681868² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23646549681794 and 23646549681803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72643 + ... + 6877381.

Almost surely, 2^{23646549681868} is an apocalyptic number.

It is an amenable number.

23646549681868 is a deficient number, since it is larger than the sum of its proper divisors (19252559090652).

23646549681868 is a wasteful number, since it uses less digits than its factorization.

23646549681868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6805834 (or 6805803 counting only the distinct ones).

The product of its digits is 2866544640, while the sum is 76.

The spelling of 23646549681868 in words is "twenty-three trillion, six hundred forty-six billion, five hundred forty-nine million, six hundred eighty-one thousand, eight hundred sixty-eight".