23665255328 has 96 divisors (see below), whose sum is σ = 54824273280. Its totient is φ = 9913512960.

The previous prime is 23665255321. The next prime is 23665255349. The reversal of 23665255328 is 82355256632.

It is not an unprimeable number, because it can be changed into a prime (23665255321) 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, 3094133 + ... + 3101771.

It is an arithmetic number, because the mean of its divisors is an integer number (571086180).

Almost surely, 2^23665255328 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 23665255328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27412136640).

23665255328 is an abundant number, since it is smaller than the sum of its proper divisors (31159017952).

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

23665255328 is a wasteful number, since it uses less digits than its factorization.

23665255328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8350 (or 8342 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 47.

The spelling of 23665255328 in words is "twenty-three billion, six hundred sixty-five million, two hundred fifty-five thousand, three hundred twenty-eight".