1123200233 has 4 divisors (see below), whose sum is σ = 1124676948. Its totient is φ = 1121723520.

The previous prime is 1123200227. The next prime is 1123200241. The reversal of 1123200233 is 3320023211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 213393664 + 909806569 = 14608^2 + 30163^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123200233 - 2¹⁴ = 1123183849 is a prime.

It is a super-2 number, since 2×1123200233² = 2523157526822508578, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1123200283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737216 + ... + 738737.

It is an arithmetic number, because the mean of its divisors is an integer number (281169237).

Almost surely, 2^1123200233 is an apocalyptic number.

It is an amenable number.

1123200233 is a deficient number, since it is larger than the sum of its proper divisors (1476715).

1123200233 is an equidigital number, since it uses as much as digits as its factorization.

1123200233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476714.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1123200233 is about 33514.1795811862. The cubic root of 1123200233 is about 1039.4869982872.

Adding to 1123200233 its reverse (3320023211), we get a palindrome (4443223444).

The spelling of 1123200233 in words is "one billion, one hundred twenty-three million, two hundred thousand, two hundred thirty-three".