605123145173 has 2 divisors, whose sum is σ = 605123145174. Its totient is φ = 605123145172.

The previous prime is 605123145161. The next prime is 605123145197. The reversal of 605123145173 is 371541321506.

It is a happy number.

605123145173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500213878564 + 104909266609 = 707258^2 + 323897^2 .

It is a cyclic number.

It is not a de Polignac number, because 605123145173 - 2⁴ = 605123145157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605123148173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302561572586 + 302561572587.

It is an arithmetic number, because the mean of its divisors is an integer number (302561572587).

Almost surely, 2^605123145173 is an apocalyptic number.

It is an amenable number.

605123145173 is a deficient number, since it is larger than the sum of its proper divisors (1).

605123145173 is an equidigital number, since it uses as much as digits as its factorization.

605123145173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

Adding to 605123145173 its reverse (371541321506), we get a palindrome (976664466679).

The spelling of 605123145173 in words is "six hundred five billion, one hundred twenty-three million, one hundred forty-five thousand, one hundred seventy-three".