1123443041 has 6 divisors (see below), whose sum is σ = 1306862370. Its totient is φ = 962951136.

The previous prime is 1123443037. The next prime is 1123443043. The reversal of 1123443041 is 1403443211.

It can be written as a sum of positive squares in only one way, i.e., 1106959441 + 16483600 = 33271^2 + 4060^2 .

It is not a de Polignac number, because 1123443041 - 2² = 1123443037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123442998 and 1123443016.

It is not an unprimeable number, because it can be changed into a prime (1123443043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11463656 + ... + 11463753.

It is an arithmetic number, because the mean of its divisors is an integer number (217810395).

Almost surely, 2^1123443041 is an apocalyptic number.

It is an amenable number.

1123443041 is a deficient number, since it is larger than the sum of its proper divisors (183419329).

1123443041 is an equidigital number, since it uses as much as digits as its factorization.

1123443041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22927423 (or 22927416 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1123443041 is about 33517.8018521501. The cubic root of 1123443041 is about 1039.5618966495.

Adding to 1123443041 its reverse (1403443211), we get a palindrome (2526886252).

The spelling of 1123443041 in words is "one billion, one hundred twenty-three million, four hundred forty-three thousand, forty-one".