1123043204 has 12 divisors (see below), whose sum is σ = 1965621084. Its totient is φ = 561437184.

The previous prime is 1123043197. The next prime is 1123043237. The reversal of 1123043204 is 4023403211.

It can be written as a sum of positive squares in 2 ways, for example, as 1022080900 + 100962304 = 31970^2 + 10048^2 .

It is a super-2 number, since 2×1123043204² = 2522452076101171232, which contains 22 as substring.

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, 16124 + ... + 50060.

It is an arithmetic number, because the mean of its divisors is an integer number (163801757).

Almost surely, 2^1123043204 is an apocalyptic number.

It is an amenable number.

1123043204 is a deficient number, since it is larger than the sum of its proper divisors (842577880).

1123043204 is a wasteful number, since it uses less digits than its factorization.

1123043204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42214 (or 42212 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1123043204 is about 33511.8367744891. The cubic root of 1123043204 is about 1039.4385542056.

Adding to 1123043204 its reverse (4023403211), we get a palindrome (5146446415).

The spelling of 1123043204 in words is "one billion, one hundred twenty-three million, forty-three thousand, two hundred four".