173243 has 4 divisors (see below), whose sum is σ = 198000. Its totient is φ = 148488.

The previous prime is 173219. The next prime is 173249. The reversal of 173243 is 342371.

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 173243 - 2⁸ = 172987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173249) 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, 12368 + ... + 12381.

It is an arithmetic number, because the mean of its divisors is an integer number (49500).

2¹⁷³²⁴³ is an apocalyptic number.

173243 is a deficient number, since it is larger than the sum of its proper divisors (24757).

173243 is an equidigital number, since it uses as much as digits as its factorization.

173243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24756.

The product of its digits is 504, while the sum is 20.

The square root of 173243 is about 416.2246989308. The cubic root of 173243 is about 55.7466231608.

The spelling of 173243 in words is "one hundred seventy-three thousand, two hundred forty-three", and thus it is an iban number.