23040300636 has 72 divisors (see below), whose sum is σ = 62030295600. Its totient is φ = 7472518272.

The previous prime is 23040300631. The next prime is 23040300671. The reversal of 23040300636 is 63600304032.

23040300636 is a `hidden beast` number, since 23 + 0 + 4 + 0 + 3 + 0 + 0 + 636 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040300631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284361 + ... + 356288.

Almost surely, 2^23040300636 is an apocalyptic number.

It is an amenable number.

23040300636 is an abundant number, since it is smaller than the sum of its proper divisors (38989994964).

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

23040300636 is a wasteful number, since it uses less digits than its factorization.

23040300636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640705 (or 640691 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 23040300636 its reverse (63600304032), we get a palindrome (86640604668).

The spelling of 23040300636 in words is "twenty-three billion, forty million, three hundred thousand, six hundred thirty-six".