1123103443 has 32 divisors (see below), whose sum is σ = 1437004800. Its totient is φ = 852408960.

The previous prime is 1123103441. The next prime is 1123103491. The reversal of 1123103443 is 3443013211.

It is a cyclic number.

It is not a de Polignac number, because 1123103443 - 2¹ = 1123103441 is a prime.

It is a super-2 number, since 2×1123103443² = 2522722687356908498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123103441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 607146 + ... + 608992.

It is an arithmetic number, because the mean of its divisors is an integer number (44906400).

Almost surely, 2^1123103443 is an apocalyptic number.

1123103443 is a deficient number, since it is larger than the sum of its proper divisors (313901357).

1123103443 is a wasteful number, since it uses less digits than its factorization.

1123103443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1123103443 is about 33512.7355344203. The cubic root of 1123103443 is about 1039.4571387146.

Adding to 1123103443 its reverse (3443013211), we get a palindrome (4566116654).

The spelling of 1123103443 in words is "one billion, one hundred twenty-three million, one hundred three thousand, four hundred forty-three".