605123145197 has 2 divisors, whose sum is σ = 605123145198. Its totient is φ = 605123145196.

The previous prime is 605123145173. The next prime is 605123145217. The reversal of 605123145197 is 791541321506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 600057833956 + 5065311241 = 774634^2 + 71171^2 .

It is a cyclic number.

It is not a de Polignac number, because 605123145197 - 2¹⁶ = 605123079661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605123145127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302561572598 + 302561572599.

It is an arithmetic number, because the mean of its divisors is an integer number (302561572599).

Almost surely, 2^605123145197 is an apocalyptic number.

It is an amenable number.

605123145197 is a deficient number, since it is larger than the sum of its proper divisors (1).

605123145197 is an equidigital number, since it uses as much as digits as its factorization.

605123145197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 605123145197 in words is "six hundred five billion, one hundred twenty-three million, one hundred forty-five thousand, one hundred ninety-seven".