1123223233 has 4 divisors (see below), whose sum is σ = 1225334448. Its totient is φ = 1021112020.

The previous prime is 1123223221. The next prime is 1123223251. The reversal of 1123223233 is 3323223211.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123223233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123223033) 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 3 ways as a sum of consecutive naturals, for example, 51055591 + ... + 51055612.

It is an arithmetic number, because the mean of its divisors is an integer number (306333612).

Almost surely, 2^1123223233 is an apocalyptic number.

It is an amenable number.

1123223233 is a deficient number, since it is larger than the sum of its proper divisors (102111215).

1123223233 is a wasteful number, since it uses less digits than its factorization.

1123223233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102111214.

The product of its digits is 1296, while the sum is 22.

The square root of 1123223233 is about 33514.5227177712. The cubic root of 1123223233 is about 1039.4940935011.

Subtracting from 1123223233 its sum of digits (22), we obtain a palindrome (1123223211).

Adding to 1123223233 its reverse (3323223211), we get a palindrome (4446446444).

The spelling of 1123223233 in words is "one billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred thirty-three".