1123443134 has 24 divisors (see below), whose sum is σ = 1949785320. Its totient is φ = 483777360.

The previous prime is 1123443133. The next prime is 1123443149. The reversal of 1123443134 is 4313443211.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123443133) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 117569 + ... + 126764.

It is an arithmetic number, because the mean of its divisors is an integer number (81241055).

Almost surely, 2^1123443134 is an apocalyptic number.

1123443134 is a deficient number, since it is larger than the sum of its proper divisors (826342186).

1123443134 is a wasteful number, since it uses less digits than its factorization.

1123443134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244376 (or 244365 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 1123443134 is about 33517.8032394726. The cubic root of 1123443134 is about 1039.5619253349.

Adding to 1123443134 its reverse (4313443211), we get a palindrome (5436886345).

The spelling of 1123443134 in words is "one billion, one hundred twenty-three million, four hundred forty-three thousand, one hundred thirty-four".