1133523 has 24 divisors (see below), whose sum is σ = 1750320. Its totient is φ = 705600.

The previous prime is 1133519. The next prime is 1133533. The reversal of 1133523 is 3253311.

It is not a de Polignac number, because 1133523 - 2² = 1133519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1133496 and 1133505.

It is not an unprimeable number, because it can be changed into a prime (1133513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11173 + ... + 11273.

It is an arithmetic number, because the mean of its divisors is an integer number (72930).

2^1133523 is an apocalyptic number.

1133523 is a deficient number, since it is larger than the sum of its proper divisors (616797).

1133523 is a wasteful number, since it uses less digits than its factorization.

1133523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 176 counting only the distinct ones).

The product of its digits is 270, while the sum is 18.

The square root of 1133523 is about 1064.6703715235. The cubic root of 1133523 is about 104.2661759141.

Adding to 1133523 its reverse (3253311), we get a palindrome (4386834).

The spelling of 1133523 in words is "one million, one hundred thirty-three thousand, five hundred twenty-three".