23212603658916 has 81 divisors (see below), whose sum is σ = 68256703399521. Its totient is φ = 6632114658624.

The previous prime is 23212603658911. The next prime is 23212603658953. The reversal of 23212603658916 is 61985630621232.

It is a happy number.

The square root of 23212603658916 is 4817946.

It is a perfect power (a square), and thus also a powerful number.

23212603658916 is a `hidden beast` number, since 2 + 3 + 2 + 1 + 26 + 0 + 36 + 589 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19721326356900 + 3491277302016 = 4440870^2 + 1868496^2 .

It is not an unprimeable number, because it can be changed into a prime (23212603658911) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 202296376 + ... + 202411088.

Almost surely, 2^{23212603658916} is an apocalyptic number.

23212603658916 is the 4817946-th square number.

It is an amenable number.

23212603658916 is an abundant number, since it is smaller than the sum of its proper divisors (45044099740605).

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

23212603658916 is an frugal number, since it uses more digits than its factorization.

23212603658916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229450 (or 114725 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 23212603658916 in words is "twenty-three trillion, two hundred twelve billion, six hundred three million, six hundred fifty-eight thousand, nine hundred sixteen".