23564220312 has 64 divisors (see below), whose sum is σ = 59534748000. Its totient is φ = 7771622400.

The previous prime is 23564220311. The next prime is 23564220341. The reversal of 23564220312 is 21302246532.

It is a self number, because there is not a number n which added to its sum of digits gives 23564220312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23564220311) 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 15 ways as a sum of consecutive naturals, for example, 5177814 + ... + 5182362.

Almost surely, 2^23564220312 is an apocalyptic number.

It is an amenable number.

23564220312 is an abundant number, since it is smaller than the sum of its proper divisors (35970527688).

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

23564220312 is a wasteful number, since it uses less digits than its factorization.

23564220312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6796 (or 6792 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 23564220312 its reverse (21302246532), we get a palindrome (44866466844).

The spelling of 23564220312 in words is "twenty-three billion, five hundred sixty-four million, two hundred twenty thousand, three hundred twelve".