23681618091712 has 56 divisors (see below), whose sum is σ = 56865734217504. Its totient is φ = 9552249311232.

The previous prime is 23681618091707. The next prime is 23681618091721. The reversal of 23681618091712 is 21719081618632.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×23681618091712² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1554720463 + ... + 1554735694.

Almost surely, 2^{23681618091712} is an apocalyptic number.

It is an amenable number.

23681618091712 is an abundant number, since it is smaller than the sum of its proper divisors (33184116125792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23681618091712 is a wasteful number, since it uses less digits than its factorization.

23681618091712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109456193 (or 3109456183 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 23681618091712 in words is "twenty-three trillion, six hundred eighty-one billion, six hundred eighteen million, ninety-one thousand, seven hundred twelve".