173923201 has 2 divisors, whose sum is σ = 173923202. Its totient is φ = 173923200.

The previous prime is 173923181. The next prime is 173923213. The reversal of 173923201 is 102329371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139712400 + 34210801 = 11820^2 + 5849^2 .

It is a cyclic number.

It is not a de Polignac number, because 173923201 - 2¹⁹ = 173398913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 173923201.

It is not a weakly prime, because it can be changed into another prime (173923241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86961600 + 86961601.

It is an arithmetic number, because the mean of its divisors is an integer number (86961601).

Almost surely, 2^173923201 is an apocalyptic number.

It is an amenable number.

173923201 is a deficient number, since it is larger than the sum of its proper divisors (1).

173923201 is an equidigital number, since it uses as much as digits as its factorization.

173923201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 173923201 is about 13187.9945784035. The cubic root of 173923201 is about 558.1948688398.

The spelling of 173923201 in words is "one hundred seventy-three million, nine hundred twenty-three thousand, two hundred one".