1123045533 has 16 divisors (see below), whose sum is σ = 1680927360. Its totient is φ = 740976768.

The previous prime is 1123045523. The next prime is 1123045537. The reversal of 1123045533 is 3355403211.

1123045533 is a `hidden beast` number, since 1 + 123 + 0 + 4 + 5 + 533 = 666.

It is not a de Polignac number, because 1123045533 - 2⁵ = 1123045501 is a prime.

It is a super-2 number, since 2×1123045533² = 2522462538382508178, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1123045497 and 1123045506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123045537) 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 15 ways as a sum of consecutive naturals, for example, 211785 + ... + 217022.

It is an arithmetic number, because the mean of its divisors is an integer number (105057960).

Almost surely, 2^1123045533 is an apocalyptic number.

It is an amenable number.

1123045533 is a deficient number, since it is larger than the sum of its proper divisors (557881827).

1123045533 is an equidigital number, since it uses as much as digits as its factorization.

1123045533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428913 (or 428907 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1123045533 is about 33511.8715233871. The cubic root of 1123045533 is about 1039.4392727445.

Adding to 1123045533 its reverse (3355403211), we get a palindrome (4478448744).

The spelling of 1123045533 in words is "one billion, one hundred twenty-three million, forty-five thousand, five hundred thirty-three".