13123602569453 has 2 divisors, whose sum is σ = 13123602569454. Its totient is φ = 13123602569452.

The previous prime is 13123602569411. The next prime is 13123602569477. The reversal of 13123602569453 is 35496520632131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8678197190884 + 4445405378569 = 2945878^2 + 2108413^2 .

It is a cyclic number.

It is not a de Polignac number, because 13123602569453 - 2¹² = 13123602565357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13123607569453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561801284726 + 6561801284727.

It is an arithmetic number, because the mean of its divisors is an integer number (6561801284727).

Almost surely, 2^{13123602569453} is an apocalyptic number.

It is an amenable number.

13123602569453 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123602569453 is an equidigital number, since it uses as much as digits as its factorization.

13123602569453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3499200, while the sum is 50.

The spelling of 13123602569453 in words is "thirteen trillion, one hundred twenty-three billion, six hundred two million, five hundred sixty-nine thousand, four hundred fifty-three".