23030560440 has 256 divisors, whose sum is σ = 80974080000. Its totient is φ = 5806370304.

The previous prime is 23030560411. The next prime is 23030560477. The reversal of 23030560440 is 4406503032.

23030560440 is a `hidden beast` number, since 2 + 30 + 30 + 560 + 4 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14547889 + ... + 14549471.

It is an arithmetic number, because the mean of its divisors is an integer number (316305000).

Almost surely, 2^23030560440 is an apocalyptic number.

23030560440 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 23030560440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40487040000).

23030560440 is an abundant number, since it is smaller than the sum of its proper divisors (57943519560).

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

23030560440 is a wasteful number, since it uses less digits than its factorization.

23030560440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331 (or 2321 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The spelling of 23030560440 in words is "twenty-three billion, thirty million, five hundred sixty thousand, four hundred forty".