1123442323 has 4 divisors (see below), whose sum is σ = 1123513360. Its totient is φ = 1123371288.

The previous prime is 1123442303. The next prime is 1123442329. The reversal of 1123442323 is 3232443211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1123442323 - 2⁹ = 1123441811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123442329) 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 3 ways as a sum of consecutive naturals, for example, 133 + ... + 47401.

It is an arithmetic number, because the mean of its divisors is an integer number (280878340).

Almost surely, 2^1123442323 is an apocalyptic number.

1123442323 is a deficient number, since it is larger than the sum of its proper divisors (71037).

1123442323 is an equidigital number, since it uses as much as digits as its factorization.

1123442323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71036.

The product of its digits is 3456, while the sum is 25.

The square root of 1123442323 is about 33517.7911414222. The cubic root of 1123442323 is about 1039.5616751858.

Adding to 1123442323 its reverse (3232443211), we get a palindrome (4355885534).

The spelling of 1123442323 in words is "one billion, one hundred twenty-three million, four hundred forty-two thousand, three hundred twenty-three".