173423612 has 6 divisors (see below), whose sum is σ = 303491328. Its totient is φ = 86711804.

The previous prime is 173423581. The next prime is 173423617. The reversal of 173423612 is 216324371.

It is a happy number.

173423612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173423617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21677948 + ... + 21677955.

It is an arithmetic number, because the mean of its divisors is an integer number (50581888).

Almost surely, 2^173423612 is an apocalyptic number.

It is an amenable number.

173423612 is a deficient number, since it is larger than the sum of its proper divisors (130067716).

173423612 is a wasteful number, since it uses less digits than its factorization.

173423612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43355907 (or 43355905 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 173423612 is about 13169.0399042603. The cubic root of 173423612 is about 557.6598904607.

Adding to 173423612 its reverse (216324371), we get a palindrome (389747983).

The spelling of 173423612 in words is "one hundred seventy-three million, four hundred twenty-three thousand, six hundred twelve".