13123523130563 has 2 divisors, whose sum is σ = 13123523130564. Its totient is φ = 13123523130562.

The previous prime is 13123523130517. The next prime is 13123523130589. The reversal of 13123523130563 is 36503132532131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13123523130563 - 2⁸ = 13123523130307 is a prime.

It is not a weakly prime, because it can be changed into another prime (13123523130503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561761565281 + 6561761565282.

It is an arithmetic number, because the mean of its divisors is an integer number (6561761565282).

Almost surely, 2^{13123523130563} is an apocalyptic number.

13123523130563 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123523130563 is an equidigital number, since it uses as much as digits as its factorization.

13123523130563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 38.

Adding to 13123523130563 its reverse (36503132532131), we get a palindrome (49626655662694).

The spelling of 13123523130563 in words is "thirteen trillion, one hundred twenty-three billion, five hundred twenty-three million, one hundred thirty thousand, five hundred sixty-three".