23765413163 has 4 divisors (see below), whose sum is σ = 23769489120. Its totient is φ = 23761337208.

The previous prime is 23765413141. The next prime is 23765413229. The reversal of 23765413163 is 36131456732.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23765413163 - 2⁸ = 23765412907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23765413163.

It is not an unprimeable number, because it can be changed into a prime (23765413103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2029220 + ... + 2040897.

It is an arithmetic number, because the mean of its divisors is an integer number (5942372280).

Almost surely, 2^23765413163 is an apocalyptic number.

23765413163 is a deficient number, since it is larger than the sum of its proper divisors (4075957).

23765413163 is an equidigital number, since it uses as much as digits as its factorization.

23765413163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4075956.

The product of its digits is 272160, while the sum is 41.

Adding to 23765413163 its reverse (36131456732), we get a palindrome (59896869895).

The spelling of 23765413163 in words is "twenty-three billion, seven hundred sixty-five million, four hundred thirteen thousand, one hundred sixty-three".