113943 has 8 divisors (see below), whose sum is σ = 160000. Its totient is φ = 71928.

The previous prime is 113933. The next prime is 113947. The reversal of 113943 is 349311.

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

It is not a de Polignac number, because 113943 - 2¹⁰ = 112919 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 (113947) 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 7 ways as a sum of consecutive naturals, for example, 943 + ... + 1056.

It is an arithmetic number, because the mean of its divisors is an integer number (20000).

2¹¹³⁹⁴³ is an apocalyptic number.

113943 is a deficient number, since it is larger than the sum of its proper divisors (46057).

113943 is a wasteful number, since it uses less digits than its factorization.

113943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021.

The product of its digits is 324, while the sum is 21.

The square root of 113943 is about 337.5544400537. The cubic root of 113943 is about 48.4799931652.

The spelling of 113943 in words is "one hundred thirteen thousand, nine hundred forty-three".