23081722560 has 504 divisors, whose sum is σ = 87884447040. Its totient is φ = 5555257344.

The previous prime is 23081722541. The next prime is 23081722561. The reversal of 23081722560 is 6522718032.

23081722560 is a `hidden beast` number, since 23 + 0 + 8 + 1 + 72 + 2 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (23081722561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 22875336 + ... + 22876344.

Almost surely, 2^23081722560 is an apocalyptic number.

23081722560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23081722560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43942223520).

23081722560 is an abundant number, since it is smaller than the sum of its proper divisors (64802724480).

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

23081722560 is a wasteful number, since it uses less digits than its factorization.

23081722560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 23081722560 in words is "twenty-three billion, eighty-one million, seven hundred twenty-two thousand, five hundred sixty".