11543463 has 6 divisors (see below), whose sum is σ = 16673904. Its totient is φ = 7695636.

The previous prime is 11543443. The next prime is 11543491. The reversal of 11543463 is 36434511.

11543463 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11543463 - 2¹⁶ = 11477927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 641295 + ... + 641312.

It is an arithmetic number, because the mean of its divisors is an integer number (2778984).

Almost surely, 2^11543463 is an apocalyptic number.

11543463 is a deficient number, since it is larger than the sum of its proper divisors (5130441).

11543463 is a wasteful number, since it uses less digits than its factorization.

11543463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282613 (or 1282610 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 11543463 is about 3397.5672178781. The cubic root of 11543463 is about 226.0018730103.

Adding to 11543463 its reverse (36434511), we get a palindrome (47977974).

The spelling of 11543463 in words is "eleven million, five hundred forty-three thousand, four hundred sixty-three".