23659671643 has 8 divisors (see below), whose sum is σ = 24494073408. Its totient is φ = 22839061824.

The previous prime is 23659671593. The next prime is 23659671649. The reversal of 23659671643 is 34617695632.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23659671643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23659671649) 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 7 ways as a sum of consecutive naturals, for example, 3444496 + ... + 3451357.

It is an arithmetic number, because the mean of its divisors is an integer number (3061759176).

Almost surely, 2^23659671643 is an apocalyptic number.

23659671643 is a deficient number, since it is larger than the sum of its proper divisors (834401765).

23659671643 is an equidigital number, since it uses as much as digits as its factorization.

23659671643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6895973.

The product of its digits is 4898880, while the sum is 52.

The spelling of 23659671643 in words is "twenty-three billion, six hundred fifty-nine million, six hundred seventy-one thousand, six hundred forty-three".