23915437056 has 528 divisors, whose sum is σ = 83635507200. Its totient is φ = 6730407936.

The previous prime is 23915436997. The next prime is 23915437057. The reversal of 23915437056 is 65073451932.

23915437056 is a `hidden beast` number, since 2 + 39 + 1 + 543 + 70 + 5 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23915437057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172053435 + ... + 172053573.

Almost surely, 2^23915437056 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 23915437056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41817753600).

23915437056 is an abundant number, since it is smaller than the sum of its proper divisors (59720070144).

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

23915437056 is a wasteful number, since it uses less digits than its factorization.

23915437056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

Adding to 23915437056 its reverse (65073451932), we get a palindrome (88988888988).

The spelling of 23915437056 in words is "twenty-three billion, nine hundred fifteen million, four hundred thirty-seven thousand, fifty-six".