13123101289 has 2 divisors, whose sum is σ = 13123101290. Its totient is φ = 13123101288.

The previous prime is 13123101151. The next prime is 13123101293. The reversal of 13123101289 is 98210132131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9784572889 + 3338528400 = 98917^2 + 57780^2 .

It is a cyclic number.

It is not a de Polignac number, because 13123101289 - 2²¹ = 13121004137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13123101289.

It is not a weakly prime, because it can be changed into another prime (13123101689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561550644 + 6561550645.

It is an arithmetic number, because the mean of its divisors is an integer number (6561550645).

Almost surely, 2^13123101289 is an apocalyptic number.

It is an amenable number.

13123101289 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123101289 is an equidigital number, since it uses as much as digits as its factorization.

13123101289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 13123101289 in words is "thirteen billion, one hundred twenty-three million, one hundred one thousand, two hundred eighty-nine".