23643433434631 has 8 divisors (see below), whose sum is σ = 24053078304000. Its totient is φ = 23234085522360.

The previous prime is 23643433434617. The next prime is 23643433434701. The reversal of 23643433434631 is 13643433434632.

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 23643433434631 - 2¹¹ = 23643433432583 is a prime.

It is a super-2 number, since 2×23643433434631² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23643433474631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74078655 + ... + 74397136.

It is an arithmetic number, because the mean of its divisors is an integer number (3006634788000).

Almost surely, 2^{23643433434631} is an apocalyptic number.

23643433434631 is a deficient number, since it is larger than the sum of its proper divisors (409644869369).

23643433434631 is a wasteful number, since it uses less digits than its factorization.

23643433434631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148478549.

The product of its digits is 13436928, while the sum is 49.

Subtracting from 23643433434631 its reverse (13643433434632), we obtain a palindrome (9999999999999).

The spelling of 23643433434631 in words is "twenty-three trillion, six hundred forty-three billion, four hundred thirty-three million, four hundred thirty-four thousand, six hundred thirty-one".