1123200317 has 4 divisors (see below), whose sum is σ = 1125147516. Its totient is φ = 1121253120.

The previous prime is 1123200301. The next prime is 1123200341. The reversal of 1123200317 is 7130023211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7130023211 = 173 ⋅41214007.

It can be written as a sum of positive squares in 2 ways, for example, as 773173636 + 350026681 = 27806^2 + 18709^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123200317 - 2⁴ = 1123200301 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 (1123200367) 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, 972734 + ... + 973887.

It is an arithmetic number, because the mean of its divisors is an integer number (281286879).

Almost surely, 2^1123200317 is an apocalyptic number.

It is an amenable number.

1123200317 is a deficient number, since it is larger than the sum of its proper divisors (1947199).

1123200317 is an equidigital number, since it uses as much as digits as its factorization.

1123200317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947198.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1123200317 is about 33514.1808343871. The cubic root of 1123200317 is about 1039.4870242003.

Adding to 1123200317 its reverse (7130023211), we get a palindrome (8253223528).

The spelling of 1123200317 in words is "one billion, one hundred twenty-three million, two hundred thousand, three hundred seventeen".