992881171723 has 4 divisors (see below), whose sum is σ = 1134721339120. Its totient is φ = 851041004328.

The previous prime is 992881171721. The next prime is 992881171759. The reversal of 992881171723 is 327171188299.

992881171723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327171188299 = 107 ⋅3057674657.

It is a cyclic number.

It is not a de Polignac number, because 992881171723 - 2¹ = 992881171721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (992881171721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70920083688 + ... + 70920083701.

It is an arithmetic number, because the mean of its divisors is an integer number (283680334780).

Almost surely, 2^992881171723 is an apocalyptic number.

992881171723 is a deficient number, since it is larger than the sum of its proper divisors (141840167397).

992881171723 is a wasteful number, since it uses less digits than its factorization.

992881171723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141840167396.

The product of its digits is 3048192, while the sum is 58.

The spelling of 992881171723 in words is "nine hundred ninety-two billion, eight hundred eighty-one million, one hundred seventy-one thousand, seven hundred twenty-three".