23212316736 has 84 divisors (see below), whose sum is σ = 76038772992. Its totient is φ = 6632089344.

The previous prime is 23212316731. The next prime is 23212316737. The reversal of 23212316736 is 63761321232.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 23212316736.

It is not an unprimeable number, because it can be changed into a prime (23212316731) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2874480 + ... + 2882543.

It is an arithmetic number, because the mean of its divisors is an integer number (905223488).

Almost surely, 2^23212316736 is an apocalyptic number.

It is an amenable number.

23212316736 is an abundant number, since it is smaller than the sum of its proper divisors (52826456256).

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

23212316736 is a wasteful number, since it uses less digits than its factorization.

23212316736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757048 (or 5757035 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

Adding to 23212316736 its reverse (63761321232), we get a palindrome (86973637968).

The spelling of 23212316736 in words is "twenty-three billion, two hundred twelve million, three hundred sixteen thousand, seven hundred thirty-six".