1123443 has 8 divisors (see below), whose sum is σ = 1664400. Its totient is φ = 748944.

The previous prime is 1123439. The next prime is 1123477. The reversal of 1123443 is 3443211.

It is not a de Polignac number, because 1123443 - 2² = 1123439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20778 + ... + 20831.

It is an arithmetic number, because the mean of its divisors is an integer number (208050).

2^1123443 is an apocalyptic number.

1123443 is a deficient number, since it is larger than the sum of its proper divisors (540957).

1123443 is an equidigital number, since it uses as much as digits as its factorization.

1123443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41618 (or 41612 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 1123443 is about 1059.9259408091. The cubic root of 1123443 is about 103.9561884003.

Adding to 1123443 its reverse (3443211), we get a palindrome (4566654).

The spelling of 1123443 in words is "one million, one hundred twenty-three thousand, four hundred forty-three".