23686736349956 has 24 divisors (see below), whose sum is σ = 43254354507840. Its totient is φ = 11328356829152.

The previous prime is 23686736349923. The next prime is 23686736349977. The reversal of 23686736349956 is 65994363768632.

It is a super-2 number, since 2×23686736349956² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12905330 + ... + 14626038.

It is an arithmetic number, because the mean of its divisors is an integer number (1802264771160).

Almost surely, 2^{23686736349956} is an apocalyptic number.

It is an amenable number.

23686736349956 is a deficient number, since it is larger than the sum of its proper divisors (19567618157884).

23686736349956 is a wasteful number, since it uses less digits than its factorization.

23686736349956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870363 (or 1870361 counting only the distinct ones).

The product of its digits is 6348948480, while the sum is 77.

The spelling of 23686736349956 in words is "twenty-three trillion, six hundred eighty-six billion, seven hundred thirty-six million, three hundred forty-nine thousand, nine hundred fifty-six".