23189127688 has 8 divisors (see below), whose sum is σ = 43479614430. Its totient is φ = 11594563840.

The previous prime is 23189127673. The next prime is 23189127691. The reversal of 23189127688 is 88672198132.

It can be written as a sum of positive squares in only one way, i.e., 17051658724 + 6137468964 = 130582^2 + 78342^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1449320473 + ... + 1449320488.

Almost surely, 2^23189127688 is an apocalyptic number.

It is an amenable number.

23189127688 is a deficient number, since it is larger than the sum of its proper divisors (20290486742).

23189127688 is a wasteful number, since it uses less digits than its factorization.

23189127688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898640967 (or 2898640963 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 55.

The spelling of 23189127688 in words is "twenty-three billion, one hundred eighty-nine million, one hundred twenty-seven thousand, six hundred eighty-eight".