23688871738 has 32 divisors (see below), whose sum is σ = 41840697600. Its totient is φ = 10053776880.

The previous prime is 23688871711. The next prime is 23688871753. The reversal of 23688871738 is 83717888632.

It is a super-2 number, since 2×23688871738² (a number of 22 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 15 ways as a sum of consecutive naturals, for example, 96973 + ... + 238288.

It is an arithmetic number, because the mean of its divisors is an integer number (1307521800).

Almost surely, 2^23688871738 is an apocalyptic number.

23688871738 is a deficient number, since it is larger than the sum of its proper divisors (18151825862).

23688871738 is a wasteful number, since it uses less digits than its factorization.

23688871738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335387 (or 335373 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 61.

The spelling of 23688871738 in words is "twenty-three billion, six hundred eighty-eight million, eight hundred seventy-one thousand, seven hundred thirty-eight".