23565042463 has 2 divisors, whose sum is σ = 23565042464. Its totient is φ = 23565042462.

The previous prime is 23565042461. The next prime is 23565042503. The reversal of 23565042463 is 36424056532.

It is an a-pointer prime, because the next prime (23565042503) can be obtained adding 23565042463 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23565042463 - 2¹ = 23565042461 is a prime.

It is a super-2 number, since 2×23565042463² (a number of 22 digits) contains 22 as substring.

Together with 23565042461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23565042461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11782521231 + 11782521232.

It is an arithmetic number, because the mean of its divisors is an integer number (11782521232).

Almost surely, 2^23565042463 is an apocalyptic number.

23565042463 is a deficient number, since it is larger than the sum of its proper divisors (1).

23565042463 is an equidigital number, since it uses as much as digits as its factorization.

23565042463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 23565042463 its reverse (36424056532), we get a palindrome (59989098995).

The spelling of 23565042463 in words is "twenty-three billion, five hundred sixty-five million, forty-two thousand, four hundred sixty-three".