11473543 has 2 divisors, whose sum is σ = 11473544. Its totient is φ = 11473542.

The previous prime is 11473541. The next prime is 11473571. The reversal of 11473543 is 34537411.

11473543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11473571) can be obtained adding 11473543 to its sum of digits (28).

It is a weak prime.

It is an emirp because it is prime and its reverse (34537411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11473543 - 2¹ = 11473541 is a prime.

Together with 11473541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11473541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5736771 + 5736772.

It is an arithmetic number, because the mean of its divisors is an integer number (5736772).

Almost surely, 2^11473543 is an apocalyptic number.

11473543 is a deficient number, since it is larger than the sum of its proper divisors (1).

11473543 is an equidigital number, since it uses as much as digits as its factorization.

11473543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 11473543 is about 3387.2618735492. The cubic root of 11473543 is about 225.5446426954.

The spelling of 11473543 in words is "eleven million, four hundred seventy-three thousand, five hundred forty-three".