23173810580 has 24 divisors (see below), whose sum is σ = 49331649192. Its totient is φ = 9142543872.

The previous prime is 23173810567. The next prime is 23173810589. The reversal of 23173810580 is 8501837132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8681021584 + 14492788996 = 93172^2 + 120386^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23173810589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7934777 + ... + 7937696.

It is an arithmetic number, because the mean of its divisors is an integer number (2055485383).

Almost surely, 2^23173810580 is an apocalyptic number.

23173810580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23173810580 is an abundant number, since it is smaller than the sum of its proper divisors (26157838612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23173810580 is a wasteful number, since it uses less digits than its factorization.

23173810580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15872555 (or 15872553 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 23173810580 in words is "twenty-three billion, one hundred seventy-three million, eight hundred ten thousand, five hundred eighty".