163743 has 4 divisors (see below), whose sum is σ = 218328. Its totient is φ = 109160.

The previous prime is 163741. The next prime is 163753. The reversal of 163743 is 347361.

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 163743 - 2¹ = 163741 is a prime.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 163743.

It is not an unprimeable number, because it can be changed into a prime (163741) 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, 27288 + ... + 27293.

It is an arithmetic number, because the mean of its divisors is an integer number (54582).

2¹⁶³⁷⁴³ is an apocalyptic number.

163743 is a deficient number, since it is larger than the sum of its proper divisors (54585).

163743 is an equidigital number, since it uses as much as digits as its factorization.

163743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54584.

The product of its digits is 1512, while the sum is 24.

The square root of 163743 is about 404.6517020846. The cubic root of 163743 is about 54.7084294856.

The spelling of 163743 in words is "one hundred sixty-three thousand, seven hundred forty-three".