11240343 has 16 divisors (see below), whose sum is σ = 17529600. Its totient is φ = 7098840.

The previous prime is 11240323. The next prime is 11240347. The reversal of 11240343 is 34304211.

It is not a de Polignac number, because 11240343 - 2⁸ = 11240087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240347) 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, 10443 + ... + 11468.

It is an arithmetic number, because the mean of its divisors is an integer number (1095600).

Almost surely, 2^11240343 is an apocalyptic number.

11240343 is a deficient number, since it is larger than the sum of its proper divisors (6289257).

11240343 is a wasteful number, since it uses less digits than its factorization.

11240343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21939 (or 21933 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 11240343 is about 3352.6620766191. The cubic root of 11240343 is about 224.0061050101.

Adding to 11240343 its reverse (34304211), we get a palindrome (45544554).

The spelling of 11240343 in words is "eleven million, two hundred forty thousand, three hundred forty-three".