13023510517 has 2 divisors, whose sum is σ = 13023510518. Its totient is φ = 13023510516.

The previous prime is 13023510481. The next prime is 13023510523. The reversal of 13023510517 is 71501532031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8942728356 + 4080782161 = 94566^2 + 63881^2 .

It is an emirp because it is prime and its reverse (71501532031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13023510517 - 2²³ = 13015121909 is a prime.

It is a super-2 number, since 2×13023510517² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13023510817) 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, 6511755258 + 6511755259.

It is an arithmetic number, because the mean of its divisors is an integer number (6511755259).

Almost surely, 2^13023510517 is an apocalyptic number.

It is an amenable number.

13023510517 is a deficient number, since it is larger than the sum of its proper divisors (1).

13023510517 is an equidigital number, since it uses as much as digits as its factorization.

13023510517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 28.

The spelling of 13023510517 in words is "thirteen billion, twenty-three million, five hundred ten thousand, five hundred seventeen".