23021648217272 has 32 divisors (see below), whose sum is σ = 46007423241120. Its totient is φ = 10761970329600.

The previous prime is 23021648217247. The next prime is 23021648217301. The reversal of 23021648217272 is 27271284612032.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 560498753 + ... + 560539824.

It is an arithmetic number, because the mean of its divisors is an integer number (1437731976285).

Almost surely, 2^{23021648217272} is an apocalyptic number.

It is an amenable number.

23021648217272 is a deficient number, since it is larger than the sum of its proper divisors (22985775023848).

23021648217272 is a wasteful number, since it uses less digits than its factorization.

23021648217272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121038751 (or 1121038747 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 23021648217272 in words is "twenty-three trillion, twenty-one billion, six hundred forty-eight million, two hundred seventeen thousand, two hundred seventy-two".