23221200020233 has 4 divisors (see below), whose sum is σ = 23221431064900. Its totient is φ = 23220968975568.

The previous prime is 23221200020173. The next prime is 23221200020237. The reversal of 23221200020233 is 33202000212232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7050442841289 + 16170757178944 = 2655267^2 + 4021288^2 .

It is a cyclic number.

It is not a de Polignac number, because 23221200020233 - 2²⁵ = 23221166465801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23221200020237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115371510 + ... + 115572607.

It is an arithmetic number, because the mean of its divisors is an integer number (5805357766225).

Almost surely, 2^{23221200020233} is an apocalyptic number.

It is an amenable number.

23221200020233 is a deficient number, since it is larger than the sum of its proper divisors (231044667).

23221200020233 is a wasteful number, since it uses less digits than its factorization.

23221200020233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231044666.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23221200020233 its reverse (33202000212232), we get a palindrome (56423200232465).

The spelling of 23221200020233 in words is "twenty-three trillion, two hundred twenty-one billion, two hundred million, twenty thousand, two hundred thirty-three".