23003202200221 has 4 divisors (see below), whose sum is σ = 23003269421152. Its totient is φ = 23003134979292.

The previous prime is 23003202200183. The next prime is 23003202200257. The reversal of 23003202200221 is 12200220230032.

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 23003202200221 - 2⁹ = 23003202199709 is a prime.

It is a super-2 number, since 2×23003202200221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23003202230221) 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, 33094521 + ... + 33782446.

It is an arithmetic number, because the mean of its divisors is an integer number (5750817355288).

Almost surely, 2^{23003202200221} is an apocalyptic number.

It is an amenable number.

23003202200221 is a deficient number, since it is larger than the sum of its proper divisors (67220931).

23003202200221 is an equidigital number, since it uses as much as digits as its factorization.

23003202200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67220930.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23003202200221 its reverse (12200220230032), we get a palindrome (35203422430253).

The spelling of 23003202200221 in words is "twenty-three trillion, three billion, two hundred two million, two hundred thousand, two hundred twenty-one".