1123133223 has 16 divisors (see below), whose sum is σ = 1504339200. Its totient is φ = 745350720.

The previous prime is 1123133191. The next prime is 1123133233. The reversal of 1123133223 is 3223313211.

1123133223 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1123133223 - 2⁵ = 1123133191 is a prime.

It is a super-2 number, since 2×1123133223² = 2522856473212735458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123133223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123133233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1028908 + ... + 1029998.

It is an arithmetic number, because the mean of its divisors is an integer number (94021200).

Almost surely, 2^1123133223 is an apocalyptic number.

1123133223 is a deficient number, since it is larger than the sum of its proper divisors (381205977).

1123133223 is a wasteful number, since it uses less digits than its factorization.

1123133223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342.

The product of its digits is 648, while the sum is 21.

The square root of 1123133223 is about 33513.1798401763. The cubic root of 1123133223 is about 1039.4663259835.

Adding to 1123133223 its reverse (3223313211), we get a palindrome (4346446434).

The spelling of 1123133223 in words is "one billion, one hundred twenty-three million, one hundred thirty-three thousand, two hundred twenty-three".