11143443 has 16 divisors (see below), whose sum is σ = 15765120. Its totient is φ = 6981696.

The previous prime is 11143427. The next prime is 11143463. The reversal of 11143443 is 34434111.

It is not a de Polignac number, because 11143443 - 2⁴ = 11143427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11143463) 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, 7096 + ... + 8522.

It is an arithmetic number, because the mean of its divisors is an integer number (985320).

Almost surely, 2^11143443 is an apocalyptic number.

11143443 is a deficient number, since it is larger than the sum of its proper divisors (4621677).

11143443 is a wasteful number, since it uses less digits than its factorization.

11143443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586.

The product of its digits is 576, while the sum is 21.

The square root of 11143443 is about 3338.1795937307. The cubic root of 11143443 is about 223.3605474127.

Adding to 11143443 its reverse (34434111), we get a palindrome (45577554).

The spelling of 11143443 in words is "eleven million, one hundred forty-three thousand, four hundred forty-three".