11380243 has 4 divisors (see below), whose sum is σ = 13006000. Its totient is φ = 9754488.

The previous prime is 11380241. The next prime is 11380253. The reversal of 11380243 is 34208311.

11380243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11380243 - 2¹ = 11380241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11380241) 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, 812868 + ... + 812881.

It is an arithmetic number, because the mean of its divisors is an integer number (3251500).

Almost surely, 2^11380243 is an apocalyptic number.

11380243 is a deficient number, since it is larger than the sum of its proper divisors (1625757).

11380243 is an equidigital number, since it uses as much as digits as its factorization.

11380243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625756.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 11380243 is about 3373.4615752962. The cubic root of 11380243 is about 224.9316203732.

Adding to 11380243 its reverse (34208311), we get a palindrome (45588554).

The spelling of 11380243 in words is "eleven million, three hundred eighty thousand, two hundred forty-three".