2128323176 has 64 divisors (see below), whose sum is σ = 4748455680. Its totient is φ = 875266560.

The previous prime is 2128323167. The next prime is 2128323191. The reversal of 2128323176 is 6713238212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144221 + ... + 158291.

It is an arithmetic number, because the mean of its divisors is an integer number (74194620).

Almost surely, 2^2128323176 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 2128323176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2374227840).

2128323176 is an abundant number, since it is smaller than the sum of its proper divisors (2620132504).

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

2128323176 is a wasteful number, since it uses less digits than its factorization.

2128323176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14194 (or 14190 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 2128323176 is about 46133.7531098436. The cubic root of 2128323176 is about 1286.3106283386.

The spelling of 2128323176 in words is "two billion, one hundred twenty-eight million, three hundred twenty-three thousand, one hundred seventy-six".