173142343 has 4 divisors (see below), whose sum is σ = 188882568. Its totient is φ = 157402120.

The previous prime is 173142341. The next prime is 173142373. The reversal of 173142343 is 343241371.

173142343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343241371 = 11 ⋅31203761.

It is a cyclic number.

It is not a de Polignac number, because 173142343 - 2¹ = 173142341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173142341) 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, 7870096 + ... + 7870117.

It is an arithmetic number, because the mean of its divisors is an integer number (47220642).

Almost surely, 2^173142343 is an apocalyptic number.

173142343 is a deficient number, since it is larger than the sum of its proper divisors (15740225).

173142343 is a wasteful number, since it uses less digits than its factorization.

173142343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15740224.

The product of its digits is 6048, while the sum is 28.

The square root of 173142343 is about 13158.3563943222. The cubic root of 173142343 is about 557.3582450426.

The spelling of 173142343 in words is "one hundred seventy-three million, one hundred forty-two thousand, three hundred forty-three".