11231243 has 2 divisors, whose sum is σ = 11231244. Its totient is φ = 11231242.

The previous prime is 11231219. The next prime is 11231257. The reversal of 11231243 is 34213211.

11231243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11231243 is a prime.

It is a super-2 number, since 2×11231243² = 252281638650098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11231293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615621 + 5615622.

It is an arithmetic number, because the mean of its divisors is an integer number (5615622).

Almost surely, 2^11231243 is an apocalyptic number.

11231243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231243 is an equidigital number, since it uses as much as digits as its factorization.

11231243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 17.

The square root of 11231243 is about 3351.3046713183. The cubic root of 11231243 is about 223.9456381155.

Adding to 11231243 its reverse (34213211), we get a palindrome (45444454).

The spelling of 11231243 in words is "eleven million, two hundred thirty-one thousand, two hundred forty-three".