23656004243 has 4 divisors (see below), whose sum is σ = 23739594648. Its totient is φ = 23572413840.

The previous prime is 23656004227. The next prime is 23656004261. The reversal of 23656004243 is 34240065632.

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 23656004243 - 2⁴ = 23656004227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23656000243) 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, 41794778 + ... + 41795343.

It is an arithmetic number, because the mean of its divisors is an integer number (5934898662).

Almost surely, 2^23656004243 is an apocalyptic number.

23656004243 is a deficient number, since it is larger than the sum of its proper divisors (83590405).

23656004243 is an equidigital number, since it uses as much as digits as its factorization.

23656004243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83590404.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 23656004243 its reverse (34240065632), we get a palindrome (57896069875).

The spelling of 23656004243 in words is "twenty-three billion, six hundred fifty-six million, four thousand, two hundred forty-three".