23115665583 has 6 divisors (see below), whose sum is σ = 33389294744. Its totient is φ = 15410443716.

The previous prime is 23115665579. The next prime is 23115665591. The reversal of 23115665583 is 38556651132.

23115665583 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 5 + 6 + 65 + 583 = 666.

It is not a de Polignac number, because 23115665583 - 2² = 23115665579 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 (23115665513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1284203635 + ... + 1284203652.

Almost surely, 2^23115665583 is an apocalyptic number.

23115665583 is a deficient number, since it is larger than the sum of its proper divisors (10273629161).

23115665583 is a wasteful number, since it uses less digits than its factorization.

23115665583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568407293 (or 2568407290 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The spelling of 23115665583 in words is "twenty-three billion, one hundred fifteen million, six hundred sixty-five thousand, five hundred eighty-three".