173235328 has 128 divisors (see below), whose sum is σ = 418608000. Its totient is φ = 69844992.

The previous prime is 173235311. The next prime is 173235343. The reversal of 173235328 is 823532371.

173235328 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

Its product of digits (30240) is a multiple of the sum of its prime divisors (210).

It is a junction number, because it is equal to n+sod(n) for n = 173235293 and 173235302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533000 + ... + 1533112.

It is an arithmetic number, because the mean of its divisors is an integer number (3270375).

Almost surely, 2^173235328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173235328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209304000).

173235328 is an abundant number, since it is smaller than the sum of its proper divisors (245372672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

173235328 is a wasteful number, since it uses less digits than its factorization.

173235328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 210 counting only the distinct ones).

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

The square root of 173235328 is about 13161.8892260952. The cubic root of 173235328 is about 557.4580024266.

Adding to 173235328 its reverse (823532371), we get a palindrome (996767699).

The spelling of 173235328 in words is "one hundred seventy-three million, two hundred thirty-five thousand, three hundred twenty-eight".