1123204233 has 4 divisors (see below), whose sum is σ = 1497605648. Its totient is φ = 748802820.

The previous prime is 1123204231. The next prime is 1123204259. The reversal of 1123204233 is 3324023211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1123204233 - 2¹ = 1123204231 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1123204231) 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, 187200703 + ... + 187200708.

It is an arithmetic number, because the mean of its divisors is an integer number (374401412).

Almost surely, 2^1123204233 is an apocalyptic number.

It is an amenable number.

1123204233 is a deficient number, since it is larger than the sum of its proper divisors (374401415).

1123204233 is an equidigital number, since it uses as much as digits as its factorization.

1123204233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374401414.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1123204233 is about 33514.2392573664. The cubic root of 1123204233 is about 1039.4882322444.

Adding to 1123204233 its reverse (3324023211), we get a palindrome (4447227444).

The spelling of 1123204233 in words is "one billion, one hundred twenty-three million, two hundred four thousand, two hundred thirty-three".