23287009536 has 432 divisors, whose sum is σ = 80976150528. Its totient is φ = 6295449600.

The previous prime is 23287009531. The next prime is 23287009549. The reversal of 23287009536 is 63590078232.

23287009536 is a `hidden beast` number, since 2 + 32 + 87 + 0 + 0 + 9 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 23287009491 and 23287009500.

It is not an unprimeable number, because it can be changed into a prime (23287009531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23498001 + ... + 23498991.

Almost surely, 2^23287009536 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 23287009536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40488075264).

23287009536 is an abundant number, since it is smaller than the sum of its proper divisors (57689140992).

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

23287009536 is a wasteful number, since it uses less digits than its factorization.

23287009536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 23287009536 in words is "twenty-three billion, two hundred eighty-seven million, nine thousand, five hundred thirty-six".