223444214173 has 2 divisors, whose sum is σ = 223444214174. Its totient is φ = 223444214172.

The previous prime is 223444214111. The next prime is 223444214179. The reversal of 223444214173 is 371412444322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199024838884 + 24419375289 = 446122^2 + 156267^2 .

It is a cyclic number.

It is not a de Polignac number, because 223444214173 - 2²¹ = 223442117021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223444214179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111722107086 + 111722107087.

It is an arithmetic number, because the mean of its divisors is an integer number (111722107087).

Almost surely, 2^223444214173 is an apocalyptic number.

It is an amenable number.

223444214173 is a deficient number, since it is larger than the sum of its proper divisors (1).

223444214173 is an equidigital number, since it uses as much as digits as its factorization.

223444214173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 37.

Adding to 223444214173 its reverse (371412444322), we get a palindrome (594856658495).

The spelling of 223444214173 in words is "two hundred twenty-three billion, four hundred forty-four million, two hundred fourteen thousand, one hundred seventy-three".