117843 has 8 divisors (see below), whose sum is σ = 171456. Its totient is φ = 71400.

The previous prime is 117841. The next prime is 117851. The reversal of 117843 is 348711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117843 - 2¹ = 117841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1753 + ... + 1818.

It is an arithmetic number, because the mean of its divisors is an integer number (21432).

2¹¹⁷⁸⁴³ is an apocalyptic number.

117843 is a deficient number, since it is larger than the sum of its proper divisors (53613).

117843 is a wasteful number, since it uses less digits than its factorization.

117843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585.

The product of its digits is 672, while the sum is 24.

The square root of 117843 is about 343.2826823479. The cubic root of 117843 is about 49.0269184318.

It can be divided in two parts, 1178 and 43, that added together give a palindrome (1221).

The spelling of 117843 in words is "one hundred seventeen thousand, eight hundred forty-three".