118283843 has 4 divisors (see below), whose sum is σ = 118641528. Its totient is φ = 117926160.

The previous prime is 118283839. The next prime is 118283897. The reversal of 118283843 is 348382811.

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 118283843 - 2² = 118283839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118283797 and 118283806.

It is not an unprimeable number, because it can be changed into a prime (118283813) 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, 178346 + ... + 179007.

It is an arithmetic number, because the mean of its divisors is an integer number (29660382).

Almost surely, 2^118283843 is an apocalyptic number.

118283843 is a deficient number, since it is larger than the sum of its proper divisors (357685).

118283843 is an equidigital number, since it uses as much as digits as its factorization.

118283843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357684.

The product of its digits is 36864, while the sum is 38.

The square root of 118283843 is about 10875.8375769409. The cubic root of 118283843 is about 490.8797785975.

The spelling of 118283843 in words is "one hundred eighteen million, two hundred eighty-three thousand, eight hundred forty-three".