23644134164 has 24 divisors (see below), whose sum is σ = 47312274240. Its totient is φ = 10128056256.

The previous prime is 23644134149. The next prime is 23644134197. The reversal of 23644134164 is 46143144632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157937 + ... + 268760.

It is an arithmetic number, because the mean of its divisors is an integer number (1971344760).

Almost surely, 2^23644134164 is an apocalyptic number.

It is an amenable number.

23644134164 is an abundant number, since it is smaller than the sum of its proper divisors (23668140076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23644134164 is a wasteful number, since it uses less digits than its factorization.

23644134164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428687 (or 428685 counting only the distinct ones).

The product of its digits is 165888, while the sum is 38.

Adding to 23644134164 its reverse (46143144632), we get a palindrome (69787278796).

The spelling of 23644134164 in words is "twenty-three billion, six hundred forty-four million, one hundred thirty-four thousand, one hundred sixty-four".