1123323134 has 4 divisors (see below), whose sum is σ = 1684984704. Its totient is φ = 561661566.

The previous prime is 1123323133. The next prime is 1123323137. The reversal of 1123323134 is 4313233211.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123323133) 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, 280830782 + ... + 280830785.

It is an arithmetic number, because the mean of its divisors is an integer number (421246176).

Almost surely, 2^1123323134 is an apocalyptic number.

1123323134 is a deficient number, since it is larger than the sum of its proper divisors (561661570).

1123323134 is an equidigital number, since it uses as much as digits as its factorization.

1123323134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561661569.

The product of its digits is 1296, while the sum is 23.

The square root of 1123323134 is about 33516.0130982192. The cubic root of 1123323134 is about 1039.5249105930.

Adding to 1123323134 its reverse (4313233211), we get a palindrome (5436556345).

The spelling of 1123323134 in words is "one billion, one hundred twenty-three million, three hundred twenty-three thousand, one hundred thirty-four".