173169231 has 16 divisors (see below), whose sum is σ = 241428480. Its totient is φ = 110198880.

The previous prime is 173169187. The next prime is 173169239. The reversal of 173169231 is 132961371.

173169231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 173169231 - 2¹⁰ = 173168207 is a prime.

It is a super-2 number, since 2×173169231² = 59975165130262722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 173169192 and 173169201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173169239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35010 + ... + 39648.

It is an arithmetic number, because the mean of its divisors is an integer number (15089280).

Almost surely, 2^173169231 is an apocalyptic number.

173169231 is a deficient number, since it is larger than the sum of its proper divisors (68259249).

173169231 is a wasteful number, since it uses less digits than its factorization.

173169231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5206.

The product of its digits is 6804, while the sum is 33.

The square root of 173169231 is about 13159.3780628113. The cubic root of 173169231 is about 557.3870950484.

The spelling of 173169231 in words is "one hundred seventy-three million, one hundred sixty-nine thousand, two hundred thirty-one".