342173 has 4 divisors (see below), whose sum is σ = 368508. Its totient is φ = 315840.

The previous prime is 342143. The next prime is 342179. The reversal of 342173 is 371243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 371243 = 23 ⋅16141.

It can be written as a sum of positive squares in 2 ways, for example, as 196249 + 145924 = 443^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 342173 - 2¹⁶ = 276637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342179) 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, 13148 + ... + 13173.

It is an arithmetic number, because the mean of its divisors is an integer number (92127).

2³⁴²¹⁷³ is an apocalyptic number.

It is an amenable number.

342173 is a deficient number, since it is larger than the sum of its proper divisors (26335).

342173 is a wasteful number, since it uses less digits than its factorization.

342173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26334.

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

The square root of 342173 is about 584.9555538671. The cubic root of 342173 is about 69.9436962214.

It can be divided in two parts, 342 and 173, that added together give a palindrome (515).

The spelling of 342173 in words is "three hundred forty-two thousand, one hundred seventy-three", and thus it is an iban number.