1116823843 has 4 divisors (see below), whose sum is σ = 1155335040. Its totient is φ = 1078312648.

The previous prime is 1116823831. The next prime is 1116823859. The reversal of 1116823843 is 3483286111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1116823843 - 2²⁹ = 579952931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116829843) 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 3 ways as a sum of consecutive naturals, for example, 19255555 + ... + 19255612.

It is an arithmetic number, because the mean of its divisors is an integer number (288833760).

Almost surely, 2^1116823843 is an apocalyptic number.

1116823843 is a deficient number, since it is larger than the sum of its proper divisors (38511197).

1116823843 is an equidigital number, since it uses as much as digits as its factorization.

1116823843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38511196.

The product of its digits is 27648, while the sum is 37.

The square root of 1116823843 is about 33418.9144497543. The cubic root of 1116823843 is about 1037.5162137690.

The spelling of 1116823843 in words is "one billion, one hundred sixteen million, eight hundred twenty-three thousand, eight hundred forty-three".