11323543 has 24 divisors (see below), whose sum is σ = 14747040. Its totient is φ = 8500800.

The previous prime is 11323519. The next prime is 11323549. The reversal of 11323543 is 34532311.

11323543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11323543 - 2¹³ = 11315351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24333 + ... + 24793.

It is an arithmetic number, because the mean of its divisors is an integer number (614460).

Almost surely, 2^11323543 is an apocalyptic number.

11323543 is a deficient number, since it is larger than the sum of its proper divisors (3423497).

11323543 is a wasteful number, since it uses less digits than its factorization.

11323543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 508 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 11323543 is about 3365.0472507827. The cubic root of 11323543 is about 224.5574378954.

Adding to 11323543 its reverse (34532311), we get a palindrome (45855854).

The spelling of 11323543 in words is "eleven million, three hundred twenty-three thousand, five hundred forty-three".