13123602564399 has 16 divisors (see below), whose sum is σ = 19442431238400. Its totient is φ = 8749042695288.

The previous prime is 13123602564377. The next prime is 13123602564439. The reversal of 13123602564399 is 99346520632131.

13123602564399 is a `hidden beast` number, since 1 + 3 + 1 + 23 + 602 + 5 + 6 + 4 + 3 + 9 + 9 = 666.

It is not a de Polignac number, because 13123602564399 - 2⁷ = 13123602564271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123602564329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14749422 + ... + 15613860.

It is an arithmetic number, because the mean of its divisors is an integer number (1215151952400).

Almost surely, 2^{13123602564399} is an apocalyptic number.

13123602564399 is a deficient number, since it is larger than the sum of its proper divisors (6318828674001).

13123602564399 is an equidigital number, since it uses as much as digits as its factorization.

13123602564399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426731 (or 1426725 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 54.

The spelling of 13123602564399 in words is "thirteen trillion, one hundred twenty-three billion, six hundred two million, five hundred sixty-four thousand, three hundred ninety-nine".