173238812 has 6 divisors (see below), whose sum is σ = 303167928. Its totient is φ = 86619404.

The previous prime is 173238811. The next prime is 173238833. The reversal of 173238812 is 218832371.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173238811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21654848 + ... + 21654855.

It is an arithmetic number, because the mean of its divisors is an integer number (50527988).

Almost surely, 2^173238812 is an apocalyptic number.

It is an amenable number.

173238812 is a deficient number, since it is larger than the sum of its proper divisors (129929116).

173238812 is a wasteful number, since it uses less digits than its factorization.

173238812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43309707 (or 43309705 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 173238812 is about 13162.0215772502. The cubic root of 173238812 is about 557.4617394832.

The spelling of 173238812 in words is "one hundred seventy-three million, two hundred thirty-eight thousand, eight hundred twelve".