13011230123 has 2 divisors, whose sum is σ = 13011230124. Its totient is φ = 13011230122.

The previous prime is 13011230119. The next prime is 13011230129. The reversal of 13011230123 is 32103211031.

It is a weak prime.

It is an emirp because it is prime and its reverse (32103211031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13011230123 - 2² = 13011230119 is a prime.

It is not a weakly prime, because it can be changed into another prime (13011230129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6505615061 + 6505615062.

It is an arithmetic number, because the mean of its divisors is an integer number (6505615062).

Almost surely, 2^13011230123 is an apocalyptic number.

13011230123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13011230123 is an equidigital number, since it uses as much as digits as its factorization.

13011230123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13011230123 its reverse (32103211031), we get a palindrome (45114441154).

The spelling of 13011230123 in words is "thirteen billion, eleven million, two hundred thirty thousand, one hundred twenty-three".