23716327643 has 4 divisors (see below), whose sum is σ = 23737714080. Its totient is φ = 23694941208.

The previous prime is 23716327619. The next prime is 23716327651. The reversal of 23716327643 is 34672361732.

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 23716327643 - 2¹⁶ = 23716262107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23716327594 and 23716327603.

It is not an unprimeable number, because it can be changed into a prime (23716329643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10691555 + ... + 10693772.

It is an arithmetic number, because the mean of its divisors is an integer number (5934428520).

Almost surely, 2^23716327643 is an apocalyptic number.

23716327643 is a deficient number, since it is larger than the sum of its proper divisors (21386437).

23716327643 is a wasteful number, since it uses less digits than its factorization.

23716327643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21386436.

The product of its digits is 762048, while the sum is 44.

The spelling of 23716327643 in words is "twenty-three billion, seven hundred sixteen million, three hundred twenty-seven thousand, six hundred forty-three".