173450243 has 2 divisors, whose sum is σ = 173450244. Its totient is φ = 173450242.

The previous prime is 173450219. The next prime is 173450273. The reversal of 173450243 is 342054371.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 173450243 - 2¹⁴ = 173433859 is a prime.

It is not a weakly prime, because it can be changed into another prime (173450273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86725121 + 86725122.

It is an arithmetic number, because the mean of its divisors is an integer number (86725122).

Almost surely, 2^173450243 is an apocalyptic number.

173450243 is a deficient number, since it is larger than the sum of its proper divisors (1).

173450243 is an equidigital number, since it uses as much as digits as its factorization.

173450243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 173450243 is about 13170.0509869932. The cubic root of 173450243 is about 557.6884338258.

The spelling of 173450243 in words is "one hundred seventy-three million, four hundred fifty thousand, two hundred forty-three".