23325516564212 has 6 divisors (see below), whose sum is σ = 40819653987378. Its totient is φ = 11662758282104.

The previous prime is 23325516564211. The next prime is 23325516564283. The reversal of 23325516564212 is 21246561552332.

It can be written as a sum of positive squares in only one way, i.e., 17773677901456 + 5551838662756 = 4215884^2 + 2356234^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23325516564211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2915689570523 + ... + 2915689570530.

It is an arithmetic number, because the mean of its divisors is an integer number (6803275664563).

Almost surely, 2^{23325516564212} is an apocalyptic number.

It is an amenable number.

23325516564212 is a deficient number, since it is larger than the sum of its proper divisors (17494137423166).

23325516564212 is a wasteful number, since it uses less digits than its factorization.

23325516564212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831379141057 (or 5831379141055 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 47.

The spelling of 23325516564212 in words is "twenty-three trillion, three hundred twenty-five billion, five hundred sixteen million, five hundred sixty-four thousand, two hundred twelve".