2112404223 has 4 divisors (see below), whose sum is σ = 2816538968. Its totient is φ = 1408269480.

The previous prime is 2112404179. The next prime is 2112404227. The reversal of 2112404223 is 3224042112.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2112404223 - 2⁶ = 2112404159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112404223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112404227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352067368 + ... + 352067373.

It is an arithmetic number, because the mean of its divisors is an integer number (704134742).

Almost surely, 2^2112404223 is an apocalyptic number.

2112404223 is a deficient number, since it is larger than the sum of its proper divisors (704134745).

2112404223 is an equidigital number, since it uses as much as digits as its factorization.

2112404223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704134744.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2112404223 is about 45960.8988489129. The cubic root of 2112404223 is about 1283.0955802585.

Adding to 2112404223 its reverse (3224042112), we get a palindrome (5336446335).

The spelling of 2112404223 in words is "two billion, one hundred twelve million, four hundred four thousand, two hundred twenty-three".