173104427 has 2 divisors, whose sum is σ = 173104428. Its totient is φ = 173104426.

The previous prime is 173104391. The next prime is 173104439. The reversal of 173104427 is 724401371.

173104427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (724401371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 173104427 - 2⁶ = 173104363 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 173104427.

It is not a weakly prime, because it can be changed into another prime (173104447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86552213 + 86552214.

It is an arithmetic number, because the mean of its divisors is an integer number (86552214).

Almost surely, 2^173104427 is an apocalyptic number.

173104427 is a deficient number, since it is larger than the sum of its proper divisors (1).

173104427 is an equidigital number, since it uses as much as digits as its factorization.

173104427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 173104427 is about 13156.9155579870. The cubic root of 173104427 is about 557.3175572524.

Adding to 173104427 its reverse (724401371), we get a palindrome (897505798).

The spelling of 173104427 in words is "one hundred seventy-three million, one hundred four thousand, four hundred twenty-seven".