2123103112 has 32 divisors (see below), whose sum is σ = 4289201280. Its totient is φ = 979398720.

The previous prime is 2123103083. The next prime is 2123103133. The reversal of 2123103112 is 2113013212.

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, 273963 + ... + 281605.

It is an arithmetic number, because the mean of its divisors is an integer number (134037540).

Almost surely, 2^2123103112 is an apocalyptic number.

It is an amenable number.

2123103112 is an abundant number, since it is smaller than the sum of its proper divisors (2166098168).

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

2123103112 is a wasteful number, since it uses less digits than its factorization.

2123103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10333 (or 10329 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2123103112 is about 46077.1430537962. The cubic root of 2123103112 is about 1285.2581376664.

Adding to 2123103112 its reverse (2113013212), we get a palindrome (4236116324).

The spelling of 2123103112 in words is "two billion, one hundred twenty-three million, one hundred three thousand, one hundred twelve".