23236609536 has 320 divisors, whose sum is σ = 79365158400. Its totient is φ = 6575136768.

The previous prime is 23236609499. The next prime is 23236609559. The reversal of 23236609536 is 63590663232.

23236609536 is a `hidden beast` number, since 2 + 3 + 2 + 3 + 6 + 609 + 5 + 36 = 666.

It is a super-2 number, since 2×23236609536² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23236609491 and 23236609500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10546611 + ... + 10548813.

It is an arithmetic number, because the mean of its divisors is an integer number (248016120).

Almost surely, 2^23236609536 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 23236609536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39682579200).

23236609536 is an abundant number, since it is smaller than the sum of its proper divisors (56128548864).

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

23236609536 is a wasteful number, since it uses less digits than its factorization.

23236609536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346 (or 2324 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 45.

The spelling of 23236609536 in words is "twenty-three billion, two hundred thirty-six million, six hundred nine thousand, five hundred thirty-six".