21323000221984 has 48 divisors (see below), whose sum is σ = 42003166500288. Its totient is φ = 10655530589952.

The previous prime is 21323000221937. The next prime is 21323000222011. The reversal of 21323000221984 is 48912200032312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897156469 + ... + 897180235.

It is an arithmetic number, because the mean of its divisors is an integer number (875065968756).

Almost surely, 2^{21323000221984} is an apocalyptic number.

It is an amenable number.

21323000221984 is a deficient number, since it is larger than the sum of its proper divisors (20680166278304).

21323000221984 is a wasteful number, since it uses less digits than its factorization.

21323000221984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38297 (or 38289 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 21323000221984 in words is "twenty-one trillion, three hundred twenty-three billion, two hundred twenty-one thousand, nine hundred eighty-four".