13023207889 has 2 divisors, whose sum is σ = 13023207890. Its totient is φ = 13023207888.

The previous prime is 13023207817. The next prime is 13023207917. The reversal of 13023207889 is 98870232031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9176107264 + 3847100625 = 95792^2 + 62025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13023207889 is a prime.

It is a super-2 number, since 2×13023207889² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13023207809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6511603944 + 6511603945.

It is an arithmetic number, because the mean of its divisors is an integer number (6511603945).

Almost surely, 2^13023207889 is an apocalyptic number.

It is an amenable number.

13023207889 is a deficient number, since it is larger than the sum of its proper divisors (1).

13023207889 is an equidigital number, since it uses as much as digits as its factorization.

13023207889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 13023207889 in words is "thirteen billion, twenty-three million, two hundred seven thousand, eight hundred eighty-nine".