2123001982 has 32 divisors (see below), whose sum is σ = 3359625984. Its totient is φ = 1004203200.

The previous prime is 2123001967. The next prime is 2123002001. The reversal of 2123001982 is 2891003212.

It is a self number, because there is not a number n which added to its sum of digits gives 2123001982.

It is a congruent number.

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, 3440538 + ... + 3441154.

It is an arithmetic number, because the mean of its divisors is an integer number (104988312).

Almost surely, 2^2123001982 is an apocalyptic number.

2123001982 is a deficient number, since it is larger than the sum of its proper divisors (1236624002).

2123001982 is a wasteful number, since it uses less digits than its factorization.

2123001982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2123001982 is about 46076.0456419602. The cubic root of 2123001982 is about 1285.2377303958.

The spelling of 2123001982 in words is "two billion, one hundred twenty-three million, one thousand, nine hundred eighty-two".