173009234 has 4 divisors (see below), whose sum is σ = 259513854. Its totient is φ = 86504616.

The previous prime is 173009219. The next prime is 173009281. The reversal of 173009234 is 432900371.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432900371 = 29 ⋅14927599.

It can be written as a sum of positive squares in only one way, i.e., 172003225 + 1006009 = 13115^2 + 1003^2 .

It is a junction number, because it is equal to n+sod(n) for n = 173009197 and 173009206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43252307 + ... + 43252310.

Almost surely, 2^173009234 is an apocalyptic number.

173009234 is a deficient number, since it is larger than the sum of its proper divisors (86504620).

173009234 is an equidigital number, since it uses as much as digits as its factorization.

173009234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86504619.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 173009234 is about 13153.2974572918. The cubic root of 173009234 is about 557.2153791260.

The spelling of 173009234 in words is "one hundred seventy-three million, nine thousand, two hundred thirty-four".