23744115136 has 112 divisors (see below), whose sum is σ = 56303046144. Its totient is φ = 9713949696.

The previous prime is 23744115127. The next prime is 23744115137. The reversal of 23744115136 is 63151144732.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 23744115095 and 23744115104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23744115137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5799106 + ... + 5803198.

Almost surely, 2^23744115136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23744115136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28151523072).

23744115136 is an abundant number, since it is smaller than the sum of its proper divisors (32558931008).

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

23744115136 is a wasteful number, since it uses less digits than its factorization.

23744115136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4698 (or 4688 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

Adding to 23744115136 its reverse (63151144732), we get a palindrome (86895259868).

The spelling of 23744115136 in words is "twenty-three billion, seven hundred forty-four million, one hundred fifteen thousand, one hundred thirty-six".