23918314636 has 6 divisors (see below), whose sum is σ = 41857050620. Its totient is φ = 11959157316.

The previous prime is 23918314633. The next prime is 23918314649. The reversal of 23918314636 is 63641381932.

It is a super-3 number, since 3×23918314636³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23918314633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2989789326 + ... + 2989789333.

Almost surely, 2^23918314636 is an apocalyptic number.

It is an amenable number.

23918314636 is a deficient number, since it is larger than the sum of its proper divisors (17938735984).

23918314636 is a wasteful number, since it uses less digits than its factorization.

23918314636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5979578663 (or 5979578661 counting only the distinct ones).

The product of its digits is 559872, while the sum is 46.

The spelling of 23918314636 in words is "twenty-three billion, nine hundred eighteen million, three hundred fourteen thousand, six hundred thirty-six".