173233213 has 8 divisors (see below), whose sum is σ = 183559608. Its totient is φ = 162921984.

The previous prime is 173233199. The next prime is 173233219. The reversal of 173233213 is 312332371.

173233213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18429849 + 154803364 = 4293^2 + 12442^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 173233213 - 2¹³ = 173225021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173233219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26895 + ... + 32707.

It is an arithmetic number, because the mean of its divisors is an integer number (22944951).

Almost surely, 2^173233213 is an apocalyptic number.

It is an amenable number.

173233213 is a deficient number, since it is larger than the sum of its proper divisors (10326395).

173233213 is a wasteful number, since it uses less digits than its factorization.

173233213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7583.

The product of its digits is 2268, while the sum is 25.

The square root of 173233213 is about 13161.8088802413. The cubic root of 173233213 is about 557.4557337814.

Adding to 173233213 its reverse (312332371), we get a palindrome (485565584).

The spelling of 173233213 in words is "one hundred seventy-three million, two hundred thirty-three thousand, two hundred thirteen".