23173143688 has 8 divisors (see below), whose sum is σ = 43449644430. Its totient is φ = 11586571840.

The previous prime is 23173143667. The next prime is 23173143743. The reversal of 23173143688 is 88634137132.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19087632964 + 4085510724 = 138158^2 + 63918^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1448321473 + ... + 1448321488.

Almost surely, 2^23173143688 is an apocalyptic number.

It is an amenable number.

23173143688 is a deficient number, since it is larger than the sum of its proper divisors (20276500742).

23173143688 is a wasteful number, since it uses less digits than its factorization.

23173143688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896642967 (or 2896642963 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The spelling of 23173143688 in words is "twenty-three billion, one hundred seventy-three million, one hundred forty-three thousand, six hundred eighty-eight".