11523133 has 4 divisors (see below), whose sum is σ = 11530048. Its totient is φ = 11516220.

The previous prime is 11523119. The next prime is 11523137. The reversal of 11523133 is 33132511.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11523133 is a prime.

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 11523133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748 + ... + 4858.

It is an arithmetic number, because the mean of its divisors is an integer number (2882512).

Almost surely, 2^11523133 is an apocalyptic number.

It is an amenable number.

11523133 is a deficient number, since it is larger than the sum of its proper divisors (6915).

11523133 is an equidigital number, since it uses as much as digits as its factorization.

11523133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6914.

The product of its digits is 270, while the sum is 19.

The square root of 11523133 is about 3394.5740528084. The cubic root of 11523133 is about 225.8691191443.

Adding to 11523133 its reverse (33132511), we get a palindrome (44655644).

The spelling of 11523133 in words is "eleven million, five hundred twenty-three thousand, one hundred thirty-three".