13123602560357 has 2 divisors, whose sum is σ = 13123602560358. Its totient is φ = 13123602560356.

The previous prime is 13123602560329. The next prime is 13123602560371. The reversal of 13123602560357 is 75306520632131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13123477097956 + 125462401 = 3622634^2 + 11201^2 .

It is an emirp because it is prime and its reverse (75306520632131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13123602560357 - 2³⁶ = 13054883083621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13123602560317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561801280178 + 6561801280179.

It is an arithmetic number, because the mean of its divisors is an integer number (6561801280179).

Almost surely, 2^{13123602560357} is an apocalyptic number.

It is an amenable number.

13123602560357 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123602560357 is an equidigital number, since it uses as much as digits as its factorization.

13123602560357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 13123602560357 in words is "thirteen trillion, one hundred twenty-three billion, six hundred two million, five hundred sixty thousand, three hundred fifty-seven".