2123004442 has 16 divisors (see below), whose sum is σ = 3431756160. Its totient is φ = 979194672.

The previous prime is 2123004419. The next prime is 2123004451. The reversal of 2123004442 is 2444003212.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13659 + ... + 66577.

It is an arithmetic number, because the mean of its divisors is an integer number (214484760).

Almost surely, 2^2123004442 is an apocalyptic number.

2123004442 is a deficient number, since it is larger than the sum of its proper divisors (1308751718).

2123004442 is a wasteful number, since it uses less digits than its factorization.

2123004442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54477.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2123004442 is about 46076.0723369516. The cubic root of 2123004442 is about 1285.2382268129.

Adding to 2123004442 its reverse (2444003212), we get a palindrome (4567007654).

The spelling of 2123004442 in words is "two billion, one hundred twenty-three million, four thousand, four hundred forty-two".