123103130197 has 2 divisors, whose sum is σ = 123103130198. Its totient is φ = 123103130196.

The previous prime is 123103130191. The next prime is 123103130231. The reversal of 123103130197 is 791031301321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122773852881 + 329277316 = 350391^2 + 18146^2 .

It is a cyclic number.

It is not a de Polignac number, because 123103130197 - 2¹¹ = 123103128149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123103130191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61551565098 + 61551565099.

It is an arithmetic number, because the mean of its divisors is an integer number (61551565099).

Almost surely, 2^123103130197 is an apocalyptic number.

It is an amenable number.

123103130197 is a deficient number, since it is larger than the sum of its proper divisors (1).

123103130197 is an equidigital number, since it uses as much as digits as its factorization.

123103130197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The spelling of 123103130197 in words is "one hundred twenty-three billion, one hundred three million, one hundred thirty thousand, one hundred ninety-seven".