23400560056500 has 384 divisors, whose sum is σ = 82735091712000. Its totient is φ = 5663370960000.

The previous prime is 23400560056481. The next prime is 23400560056637. The reversal of 23400560056500 is 565006500432.

It is a happy number.

23400560056500 is a `hidden beast` number, since 2 + 3 + 40 + 0 + 5 + 60 + 0 + 56 + 500 = 666.

23400560056500 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 88819965 + ... + 89083035.

It is an arithmetic number, because the mean of its divisors is an integer number (215455968000).

Almost surely, 2^{23400560056500} is an apocalyptic number.

23400560056500 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 23400560056500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41367545856000).

23400560056500 is an abundant number, since it is smaller than the sum of its proper divisors (59334531655500).

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

23400560056500 is a wasteful number, since it uses less digits than its factorization.

23400560056500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263709 (or 263691 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 23400560056500 its reverse (565006500432), we get a palindrome (23965566556932).

The spelling of 23400560056500 in words is "twenty-three trillion, four hundred billion, five hundred sixty million, fifty-six thousand, five hundred".