1848686918123 has 2 divisors, whose sum is σ = 1848686918124. Its totient is φ = 1848686918122.

The previous prime is 1848686918077. The next prime is 1848686918167. The reversal of 1848686918123 is 3218196868481.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1848686918123 - 2¹² = 1848686914027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1848686918123.

It is not a weakly prime, because it can be changed into another prime (1842686918123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924343459061 + 924343459062.

It is an arithmetic number, because the mean of its divisors is an integer number (924343459062).

Almost surely, 2^{1848686918123} is an apocalyptic number.

1848686918123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1848686918123 is an equidigital number, since it uses as much as digits as its factorization.

1848686918123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31850496, while the sum is 65.

The spelling of 1848686918123 in words is "one trillion, eight hundred forty-eight billion, six hundred eighty-six million, nine hundred eighteen thousand, one hundred twenty-three".