13123450502663 has 2 divisors, whose sum is σ = 13123450502664. Its totient is φ = 13123450502662.

The previous prime is 13123450502623. The next prime is 13123450502681. The reversal of 13123450502663 is 36620505432131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13123450502663 - 2⁶ = 13123450502599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13123450502663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13123450502623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561725251331 + 6561725251332.

It is an arithmetic number, because the mean of its divisors is an integer number (6561725251332).

Almost surely, 2^{13123450502663} is an apocalyptic number.

13123450502663 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123450502663 is an equidigital number, since it uses as much as digits as its factorization.

13123450502663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 41.

Adding to 13123450502663 its reverse (36620505432131), we get a palindrome (49743955934794).

The spelling of 13123450502663 in words is "thirteen trillion, one hundred twenty-three billion, four hundred fifty million, five hundred two thousand, six hundred sixty-three".