2123180984 has 16 divisors (see below), whose sum is σ = 3981456720. Its totient is φ = 1061459200.

The previous prime is 2123180977. The next prime is 2123180999. The reversal of 2123180984 is 4890813212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106184 + ... + 124584.

It is an arithmetic number, because the mean of its divisors is an integer number (248841045).

Almost surely, 2^2123180984 is an apocalyptic number.

It is an amenable number.

2123180984 is a deficient number, since it is larger than the sum of its proper divisors (1858275736).

2123180984 is a wasteful number, since it uses less digits than its factorization.

2123180984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32830 (or 32826 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 2123180984 is about 46077.9880637165. The cubic root of 2123180984 is about 1285.2738512066.

The spelling of 2123180984 in words is "two billion, one hundred twenty-three million, one hundred eighty thousand, nine hundred eighty-four".