2123100104 has 16 divisors (see below), whose sum is σ = 3997334220. Its totient is φ = 1057144320.

The previous prime is 2123100047. The next prime is 2123100127. The reversal of 2123100104 is 4010013212.

It can be written as a sum of positive squares in 2 ways, for example, as 2042136100 + 80964004 = 45190^2 + 8998^2 .

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, 548669 + ... + 552524.

Almost surely, 2^2123100104 is an apocalyptic number.

It is an amenable number.

2123100104 is a deficient number, since it is larger than the sum of its proper divisors (1874234116).

2123100104 is a wasteful number, since it uses less digits than its factorization.

2123100104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101440 (or 1101436 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2123100104 is about 46077.1104128720. The cubic root of 2123100104 is about 1285.2575306841.

Adding to 2123100104 its reverse (4010013212), we get a palindrome (6133113316).

The spelling of 2123100104 in words is "two billion, one hundred twenty-three million, one hundred thousand, one hundred four".