103743 has 6 divisors (see below), whose sum is σ = 149864. Its totient is φ = 69156.

The previous prime is 103723. The next prime is 103769. The reversal of 103743 is 347301.

It is not a de Polignac number, because 103743 - 2⁹ = 103231 is a prime.

It is a super-2 number, since 2×103743² = 21525220098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103703) 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 5 ways as a sum of consecutive naturals, for example, 5755 + ... + 5772.

2¹⁰³⁷⁴³ is an apocalyptic number.

103743 is a deficient number, since it is larger than the sum of its proper divisors (46121).

103743 is a wasteful number, since it uses less digits than its factorization.

103743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11533 (or 11530 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 103743 is about 322.0916018775. The cubic root of 103743 is about 46.9879250707.

The spelling of 103743 in words is "one hundred three thousand, seven hundred forty-three", and thus it is an iban number.