11306143 has 4 divisors (see below), whose sum is σ = 11696040. Its totient is φ = 10916248.

The previous prime is 11306137. The next prime is 11306147. The reversal of 11306143 is 34160311.

11306143 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 11306143 - 2⁹ = 11305631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11306143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11306147) 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, 194905 + ... + 194962.

It is an arithmetic number, because the mean of its divisors is an integer number (2924010).

Almost surely, 2^11306143 is an apocalyptic number.

11306143 is a deficient number, since it is larger than the sum of its proper divisors (389897).

11306143 is an equidigital number, since it uses as much as digits as its factorization.

11306143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389896.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 11306143 is about 3362.4608547907. The cubic root of 11306143 is about 224.4423589995.

Adding to 11306143 its reverse (34160311), we get a palindrome (45466454).

It can be divided in two parts, 11306 and 143, that added together give a square (11449 = 107²).

The spelling of 11306143 in words is "eleven million, three hundred six thousand, one hundred forty-three".