23643130631 has 4 divisors (see below), whose sum is σ = 23643788112. Its totient is φ = 23642473152.

The previous prime is 23643130619. The next prime is 23643130633. The reversal of 23643130631 is 13603134632.

It is a happy number.

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 23643130631 - 2¹⁰ = 23643129607 is a prime.

It is a super-2 number, since 2×23643130631² (a number of 22 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 (23643130633) 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, 271475 + ... + 347828.

It is an arithmetic number, because the mean of its divisors is an integer number (5910947028).

Almost surely, 2^23643130631 is an apocalyptic number.

23643130631 is a deficient number, since it is larger than the sum of its proper divisors (657481).

23643130631 is an equidigital number, since it uses as much as digits as its factorization.

23643130631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657480.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 23643130631 in words is "twenty-three billion, six hundred forty-three million, one hundred thirty thousand, six hundred thirty-one".