2100440223 has 36 divisors (see below), whose sum is σ = 3546194808. Its totient is φ = 1194510240.

The previous prime is 2100440207. The next prime is 2100440227. The reversal of 2100440223 is 3220440012.

2100440223 is a `hidden beast` number, since 2 + 1 + 0 + 0 + 440 + 223 = 666.

It is not a de Polignac number, because 2100440223 - 2⁴ = 2100440207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2100440196 and 2100440205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100440227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 81765 + ... + 104337.

Almost surely, 2^2100440223 is an apocalyptic number.

2100440223 is a deficient number, since it is larger than the sum of its proper divisors (1445754585).

2100440223 is a wasteful number, since it uses less digits than its factorization.

2100440223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22804 (or 22794 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2100440223 is about 45830.5599245743. The cubic root of 2100440223 is about 1280.6686413389.

Adding to 2100440223 its reverse (3220440012), we get a palindrome (5320880235).

The spelling of 2100440223 in words is "two billion, one hundred million, four hundred forty thousand, two hundred twenty-three".