23289308568 has 96 divisors (see below), whose sum is σ = 65654184960. Its totient is φ = 7734281760.

The previous prime is 23289308543. The next prime is 23289308569. The reversal of 23289308568 is 86580398232.

23289308568 is a `hidden beast` number, since 2 + 3 + 289 + 308 + 56 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23289308569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 504721 + ... + 548927.

It is an arithmetic number, because the mean of its divisors is an integer number (683897760).

Almost surely, 2^23289308568 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 23289308568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32827092480).

23289308568 is an abundant number, since it is smaller than the sum of its proper divisors (42364876392).

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

23289308568 is a wasteful number, since it uses less digits than its factorization.

23289308568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44499 (or 44483 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 23289308568 in words is "twenty-three billion, two hundred eighty-nine million, three hundred eight thousand, five hundred sixty-eight".