23643486871 has 4 divisors (see below), whose sum is σ = 23652757744. Its totient is φ = 23634216000.

The previous prime is 23643486863. The next prime is 23643486913. The reversal of 23643486871 is 17868434632.

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 23643486871 - 2³ = 23643486863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23643481871) 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, 4631610 + ... + 4636711.

It is an arithmetic number, because the mean of its divisors is an integer number (5913189436).

Almost surely, 2^23643486871 is an apocalyptic number.

23643486871 is a deficient number, since it is larger than the sum of its proper divisors (9270873).

23643486871 is an equidigital number, since it uses as much as digits as its factorization.

23643486871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9270872.

The product of its digits is 4644864, while the sum is 52.

The spelling of 23643486871 in words is "twenty-three billion, six hundred forty-three million, four hundred eighty-six thousand, eight hundred seventy-one".