11811343 has 2 divisors, whose sum is σ = 11811344. Its totient is φ = 11811342.

The previous prime is 11811301. The next prime is 11811361. The reversal of 11811343 is 34311811.

11811343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (34311811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11811343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11811383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5905671 + 5905672.

It is an arithmetic number, because the mean of its divisors is an integer number (5905672).

Almost surely, 2^11811343 is an apocalyptic number.

11811343 is a deficient number, since it is larger than the sum of its proper divisors (1).

11811343 is an equidigital number, since it uses as much as digits as its factorization.

11811343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 22.

The square root of 11811343 is about 3436.7634483624. The cubic root of 11811343 is about 227.7367370216.

The spelling of 11811343 in words is "eleven million, eight hundred eleven thousand, three hundred forty-three".