1123323103 has 4 divisors (see below), whose sum is σ = 1283797840. Its totient is φ = 962848368.

The previous prime is 1123323101. The next prime is 1123323107. The reversal of 1123323103 is 3013233211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3013233211 = 137 ⋅21994403.

It is a cyclic number.

It is not a de Polignac number, because 1123323103 - 2¹ = 1123323101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123323101) 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, 80237358 + ... + 80237371.

It is an arithmetic number, because the mean of its divisors is an integer number (320949460).

Almost surely, 2^1123323103 is an apocalyptic number.

1123323103 is a deficient number, since it is larger than the sum of its proper divisors (160474737).

1123323103 is an equidigital number, since it uses as much as digits as its factorization.

1123323103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160474736.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1123323103 is about 33516.0126357537. The cubic root of 1123323103 is about 1039.5249010305.

Adding to 1123323103 its reverse (3013233211), we get a palindrome (4136556314).

The spelling of 1123323103 in words is "one billion, one hundred twenty-three million, three hundred twenty-three thousand, one hundred three".