11332143 has 20 divisors (see below), whose sum is σ = 17478208. Its totient is φ = 7309440.

The previous prime is 11332141. The next prime is 11332147. The reversal of 11332143 is 34123311.

It is not a de Polignac number, because 11332143 - 2¹ = 11332141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11332141) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 255 + ... + 4767.

Almost surely, 2^11332143 is an apocalyptic number.

11332143 is a deficient number, since it is larger than the sum of its proper divisors (6146065).

11332143 is an equidigital number, since it uses as much as digits as its factorization.

11332143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556 (or 4547 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 11332143 is about 3366.3248506346. The cubic root of 11332143 is about 224.6142724412.

Adding to 11332143 its reverse (34123311), we get a palindrome (45455454).

The spelling of 11332143 in words is "eleven million, three hundred thirty-two thousand, one hundred forty-three".