11543473 has 4 divisors (see below), whose sum is σ = 11570688. Its totient is φ = 11516260.

The previous prime is 11543443. The next prime is 11543491. The reversal of 11543473 is 37434511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37434511 = 4951 ⋅7561.

It is a cyclic number.

It is not a de Polignac number, because 11543473 - 2¹³ = 11535281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11543423) 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, 12961 + ... + 13822.

It is an arithmetic number, because the mean of its divisors is an integer number (2892672).

Almost surely, 2^11543473 is an apocalyptic number.

It is an amenable number.

11543473 is a deficient number, since it is larger than the sum of its proper divisors (27215).

11543473 is an equidigital number, since it uses as much as digits as its factorization.

11543473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27214.

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

The square root of 11543473 is about 3397.5686895190. The cubic root of 11543473 is about 226.0019382714.

Adding to 11543473 its reverse (37434511), we get a palindrome (48977984).

The spelling of 11543473 in words is "eleven million, five hundred forty-three thousand, four hundred seventy-three".