1123442442 has 24 divisors (see below), whose sum is σ = 2434834116. Its totient is φ = 374371776.

The previous prime is 1123442413. The next prime is 1123442459. The reversal of 1123442442 is 2442443211.

1123442442 is a `hidden beast` number, since 1 + 1 + 234 + 424 + 4 + 2 = 666.

1123442442 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1121513121 + 1929321 = 33489^2 + 1389^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75958 + ... + 89534.

Almost surely, 2^1123442442 is an apocalyptic number.

1123442442 is an abundant number, since it is smaller than the sum of its proper divisors (1311391674).

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

1123442442 is a wasteful number, since it uses less digits than its factorization.

1123442442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18182 (or 18179 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 1123442442 is about 33517.7929165988. The cubic root of 1123442442 is about 1039.5617118908.

Adding to 1123442442 its reverse (2442443211), we get a palindrome (3565885653).

The spelling of 1123442442 in words is "one billion, one hundred twenty-three million, four hundred forty-two thousand, four hundred forty-two".