1123013233 has 16 divisors (see below), whose sum is σ = 1179178000. Its totient is φ = 1068422400.

The previous prime is 1123013231. The next prime is 1123013291. The reversal of 1123013233 is 3323103211.

It can be written as a sum of positive squares in 8 ways, for example, as 390931984 + 732081249 = 19772^2 + 27057^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123013233 - 2¹ = 1123013231 is a prime.

It is a super-2 number, since 2×1123013233² = 2522317442986224578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123013233.

It is not an unprimeable number, because it can be changed into a prime (1123013231) 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 15 ways as a sum of consecutive naturals, for example, 407143 + ... + 409891.

It is an arithmetic number, because the mean of its divisors is an integer number (73698625).

Almost surely, 2^1123013233 is an apocalyptic number.

It is an amenable number.

1123013233 is a deficient number, since it is larger than the sum of its proper divisors (56164767).

1123013233 is a wasteful number, since it uses less digits than its factorization.

1123013233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1123013233 is about 33511.3896011490. The cubic root of 1123013233 is about 1039.4293075177.

Adding to 1123013233 its reverse (3323103211), we get a palindrome (4446116444).

The spelling of 1123013233 in words is "one billion, one hundred twenty-three million, thirteen thousand, two hundred thirty-three".