23643312143 has 8 divisors (see below), whose sum is σ = 25797936000. Its totient is φ = 21489560280.

The previous prime is 23643312101. The next prime is 23643312149. The reversal of 23643312143 is 34121334632.

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

It is a cyclic number.

It is not a de Polignac number, because 23643312143 - 2¹⁴ = 23643295759 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 (23643312149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160643 + ... + 270356.

It is an arithmetic number, because the mean of its divisors is an integer number (3224742000).

Almost surely, 2^23643312143 is an apocalyptic number.

23643312143 is a deficient number, since it is larger than the sum of its proper divisors (2154623857).

23643312143 is a wasteful number, since it uses less digits than its factorization.

23643312143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435997.

The product of its digits is 31104, while the sum is 32.

Adding to 23643312143 its reverse (34121334632), we get a palindrome (57764646775).

The spelling of 23643312143 in words is "twenty-three billion, six hundred forty-three million, three hundred twelve thousand, one hundred forty-three".