12103123073 has 2 divisors, whose sum is σ = 12103123074. Its totient is φ = 12103123072.

The previous prime is 12103123069. The next prime is 12103123093. The reversal of 12103123073 is 37032130121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6904280464 + 5198842609 = 83092^2 + 72103^2 .

It is a cyclic number.

It is not a de Polignac number, because 12103123073 - 2² = 12103123069 is a prime.

It is not a weakly prime, because it can be changed into another prime (12103123093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051561536 + 6051561537.

It is an arithmetic number, because the mean of its divisors is an integer number (6051561537).

Almost surely, 2^12103123073 is an apocalyptic number.

It is an amenable number.

12103123073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103123073 is an equidigital number, since it uses as much as digits as its factorization.

12103123073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 12103123073 its reverse (37032130121), we get a palindrome (49135253194).

The spelling of 12103123073 in words is "twelve billion, one hundred three million, one hundred twenty-three thousand, seventy-three".