23110313223221 has 4 divisors (see below), whose sum is σ = 26411786540832. Its totient is φ = 19808839905612.

The previous prime is 23110313223191. The next prime is 23110313223247. The reversal of 23110313223221 is 12232231301132.

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 23110313223221 - 2¹⁴ = 23110313206837 is a prime.

It is a super-2 number, since 2×23110313223221² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23110313223521) 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, 1650736658795 + ... + 1650736658808.

It is an arithmetic number, because the mean of its divisors is an integer number (6602946635208).

Almost surely, 2^{23110313223221} is an apocalyptic number.

It is an amenable number.

23110313223221 is a deficient number, since it is larger than the sum of its proper divisors (3301473317611).

23110313223221 is an equidigital number, since it uses as much as digits as its factorization.

23110313223221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301473317610.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 23110313223221 its reverse (12232231301132), we get a palindrome (35342544524353).

The spelling of 23110313223221 in words is "twenty-three trillion, one hundred ten billion, three hundred thirteen million, two hundred twenty-three thousand, two hundred twenty-one".