173408353 has 4 divisors (see below), whose sum is σ = 173729428. Its totient is φ = 173087280.

The previous prime is 173408329. The next prime is 173408359. The reversal of 173408353 is 353804371.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 353804371 = 1163 ⋅304217.

It can be written as a sum of positive squares in 2 ways, for example, as 51151104 + 122257249 = 7152^2 + 11057^2 .

It is a cyclic number.

It is not a de Polignac number, because 173408353 - 2⁵ = 173408321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173408359) 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, 159726 + ... + 160807.

It is an arithmetic number, because the mean of its divisors is an integer number (43432357).

Almost surely, 2^173408353 is an apocalyptic number.

It is an amenable number.

173408353 is a deficient number, since it is larger than the sum of its proper divisors (321075).

173408353 is an equidigital number, since it uses as much as digits as its factorization.

173408353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321074.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 173408353 is about 13168.4605402454. The cubic root of 173408353 is about 557.6435343991.

The spelling of 173408353 in words is "one hundred seventy-three million, four hundred eight thousand, three hundred fifty-three".