1123304203 has 8 divisors (see below), whose sum is σ = 1304822240. Its totient is φ = 947047680.

The previous prime is 1123304191. The next prime is 1123304219. The reversal of 1123304203 is 3024033211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123304203 - 2¹⁷ = 1123173131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123304233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314918 + ... + 1315771.

It is an arithmetic number, because the mean of its divisors is an integer number (163102780).

Almost surely, 2^1123304203 is an apocalyptic number.

1123304203 is a deficient number, since it is larger than the sum of its proper divisors (181518037).

1123304203 is an equidigital number, since it uses as much as digits as its factorization.

1123304203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630757.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1123304203 is about 33515.7306797868. The cubic root of 1123304203 is about 1039.5190709683.

Adding to 1123304203 its reverse (3024033211), we get a palindrome (4147337414).

The spelling of 1123304203 in words is "one billion, one hundred twenty-three million, three hundred four thousand, two hundred three".