9923115712 has 56 divisors (see below), whose sum is σ = 20742706800. Its totient is φ = 4696989696.

The previous prime is 9923115689. The next prime is 9923115721. The reversal of 9923115712 is 2175113299.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2586948 + ... + 2590780.

Almost surely, 2^9923115712 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 9923115712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10371353400).

9923115712 is an abundant number, since it is smaller than the sum of its proper divisors (10819591088).

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

9923115712 is a wasteful number, since it uses less digits than its factorization.

9923115712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5993 (or 5983 counting only the distinct ones).

The product of its digits is 34020, while the sum is 40.

The square root of 9923115712 is about 99614.8368065721. The cubic root of 9923115712 is about 2148.8990730612.

The spelling of 9923115712 in words is "nine billion, nine hundred twenty-three million, one hundred fifteen thousand, seven hundred twelve".