11543873 has 16 divisors (see below), whose sum is σ = 13171200. Its totient is φ = 10022400.

The previous prime is 11543843. The next prime is 11543879. The reversal of 11543873 is 37834511.

It is a cyclic number.

It is not a de Polignac number, because 11543873 - 2⁶ = 11543809 is a prime.

It is a super-2 number, since 2×11543873² = 266522007680258, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11543879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32903 + ... + 33251.

It is an arithmetic number, because the mean of its divisors is an integer number (823200).

Almost surely, 2^11543873 is an apocalyptic number.

It is an amenable number.

11543873 is a deficient number, since it is larger than the sum of its proper divisors (1627327).

11543873 is a wasteful number, since it uses less digits than its factorization.

11543873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488.

The product of its digits is 10080, while the sum is 32.

The square root of 11543873 is about 3397.6275546328. The cubic root of 11543873 is about 226.0045486854.

It can be divided in two parts, 115438 and 73, that added together give a palindrome (115511).

The spelling of 11543873 in words is "eleven million, five hundred forty-three thousand, eight hundred seventy-three".