103843 has 2 divisors, whose sum is σ = 103844. Its totient is φ = 103842.

The previous prime is 103841. The next prime is 103867. The reversal of 103843 is 348301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103843 - 2¹ = 103841 is a prime.

Together with 103841, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 103843.

It is not a weakly prime, because it can be changed into another prime (103841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51921 + 51922.

It is an arithmetic number, because the mean of its divisors is an integer number (51922).

2¹⁰³⁸⁴³ is an apocalyptic number.

103843 is a deficient number, since it is larger than the sum of its proper divisors (1).

103843 is an equidigital number, since it uses as much as digits as its factorization.

103843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 103843 is about 322.2467998290. The cubic root of 103843 is about 47.0030177631.

It can be divided in two parts, 1038 and 43, that added together give a triangular number (1081 = T₄₆).

The spelling of 103843 in words is "one hundred three thousand, eight hundred forty-three".