23136943536 has 240 divisors, whose sum is σ = 76854872640. Its totient is φ = 6360145920.

The previous prime is 23136943523. The next prime is 23136943567. The reversal of 23136943536 is 63534963132.

23136943536 is a `hidden beast` number, since 2 + 3 + 13 + 69 + 43 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 23136943491 and 23136943500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3013110 + ... + 3020778.

It is an arithmetic number, because the mean of its divisors is an integer number (320228636).

Almost surely, 2^23136943536 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 23136943536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38427436320).

23136943536 is an abundant number, since it is smaller than the sum of its proper divisors (53717929104).

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

23136943536 is a wasteful number, since it uses less digits than its factorization.

23136943536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7804 (or 7795 counting only the distinct ones).

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

The spelling of 23136943536 in words is "twenty-three billion, one hundred thirty-six million, nine hundred forty-three thousand, five hundred thirty-six".