23244423200221 has 4 divisors (see below), whose sum is σ = 23245047366112. Its totient is φ = 23243799034332.

The previous prime is 23244423200213. The next prime is 23244423200281. The reversal of 23244423200221 is 12200232444232.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23244423200221 - 2³ = 23244423200213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23244423200281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312027081 + ... + 312101566.

It is an arithmetic number, because the mean of its divisors is an integer number (5811261841528).

Almost surely, 2^{23244423200221} is an apocalyptic number.

It is an amenable number.

23244423200221 is a deficient number, since it is larger than the sum of its proper divisors (624165891).

23244423200221 is an equidigital number, since it uses as much as digits as its factorization.

23244423200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624165890.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 23244423200221 its reverse (12200232444232), we get a palindrome (35444655644453).

The spelling of 23244423200221 in words is "twenty-three trillion, two hundred forty-four billion, four hundred twenty-three million, two hundred thousand, two hundred twenty-one".