23465645568 has 400 divisors, whose sum is σ = 73527102000. Its totient is φ = 7441072128.

The previous prime is 23465645551. The next prime is 23465645617. The reversal of 23465645568 is 86554656432.

23465645568 is a `hidden beast` number, since 2 + 34 + 6 + 5 + 6 + 45 + 568 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 131092903 + ... + 131093081.

It is an arithmetic number, because the mean of its divisors is an integer number (183817755).

Almost surely, 2^23465645568 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 23465645568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36763551000).

23465645568 is an abundant number, since it is smaller than the sum of its proper divisors (50061456432).

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

23465645568 is a wasteful number, since it uses less digits than its factorization.

23465645568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 322 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 54.

The spelling of 23465645568 in words is "twenty-three billion, four hundred sixty-five million, six hundred forty-five thousand, five hundred sixty-eight".