11543223 has 8 divisors (see below), whose sum is σ = 15807088. Its totient is φ = 7487424.

The previous prime is 11543167. The next prime is 11543227. The reversal of 11543223 is 32234511.

11543223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11543223 - 2⁶ = 11543159 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 11543223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543227) 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 7 ways as a sum of consecutive naturals, for example, 51886 + ... + 52107.

It is an arithmetic number, because the mean of its divisors is an integer number (1975886).

Almost surely, 2^11543223 is an apocalyptic number.

11543223 is a deficient number, since it is larger than the sum of its proper divisors (4263865).

11543223 is a wasteful number, since it uses less digits than its factorization.

11543223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104033.

The product of its digits is 720, while the sum is 21.

The square root of 11543223 is about 3397.5318983050. The cubic root of 11543223 is about 226.0003067320. Note that the first 3 decimals are identical.

Adding to 11543223 its reverse (32234511), we get a palindrome (43777734).

The spelling of 11543223 in words is "eleven million, five hundred forty-three thousand, two hundred twenty-three".