23173134502776 has 128 divisors (see below), whose sum is σ = 60628803912000. Its totient is φ = 7371191697408.

The previous prime is 23173134502769. The next prime is 23173134502853. The reversal of 23173134502776 is 67720543137132.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 153111876 + ... + 153263148.

Almost surely, 2^{23173134502776} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23173134502776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30314401956000).

23173134502776 is an abundant number, since it is smaller than the sum of its proper divisors (37455669409224).

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

23173134502776 is a wasteful number, since it uses less digits than its factorization.

23173134502776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153873 (or 153869 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 51.

The spelling of 23173134502776 in words is "twenty-three trillion, one hundred seventy-three billion, one hundred thirty-four million, five hundred two thousand, seven hundred seventy-six".