1123443103 has 2 divisors, whose sum is σ = 1123443104. Its totient is φ = 1123443102.

The previous prime is 1123443089. The next prime is 1123443133. The reversal of 1123443103 is 3013443211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123443103 - 2¹³ = 1123434911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another 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 as a sum of consecutive naturals, namely, 561721551 + 561721552.

It is an arithmetic number, because the mean of its divisors is an integer number (561721552).

Almost surely, 2^1123443103 is an apocalyptic number.

1123443103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123443103 is an equidigital number, since it uses as much as digits as its factorization.

1123443103 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1123443103 is about 33517.8027770318. The cubic root of 1123443103 is about 1039.5619157731.

Adding to 1123443103 its reverse (3013443211), we get a palindrome (4136886314).

The spelling of 1123443103 in words is "one billion, one hundred twenty-three million, four hundred forty-three thousand, one hundred three".