13563863023 has 2 divisors, whose sum is σ = 13563863024. Its totient is φ = 13563863022.

The previous prime is 13563863011. The next prime is 13563863029. The reversal of 13563863023 is 32036836531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13563863023 - 2⁹ = 13563862511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13563863029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6781931511 + 6781931512.

It is an arithmetic number, because the mean of its divisors is an integer number (6781931512).

Almost surely, 2^13563863023 is an apocalyptic number.

13563863023 is a deficient number, since it is larger than the sum of its proper divisors (1).

13563863023 is an equidigital number, since it uses as much as digits as its factorization.

13563863023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 13563863023 in words is "thirteen billion, five hundred sixty-three million, eight hundred sixty-three thousand, twenty-three".