223232313173 has 2 divisors, whose sum is σ = 223232313174. Its totient is φ = 223232313172.

The previous prime is 223232313169. The next prime is 223232313193. The reversal of 223232313173 is 371313232322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179977880644 + 43254432529 = 424238^2 + 207977^2 .

It is a cyclic number.

It is not a de Polignac number, because 223232313173 - 2² = 223232313169 is a prime.

It is a super-3 number, since 3×223232313173³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223232313193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111616156586 + 111616156587.

It is an arithmetic number, because the mean of its divisors is an integer number (111616156587).

Almost surely, 2^223232313173 is an apocalyptic number.

It is an amenable number.

223232313173 is a deficient number, since it is larger than the sum of its proper divisors (1).

223232313173 is an equidigital number, since it uses as much as digits as its factorization.

223232313173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 32.

Adding to 223232313173 its reverse (371313232322), we get a palindrome (594545545495).

The spelling of 223232313173 in words is "two hundred twenty-three billion, two hundred thirty-two million, three hundred thirteen thousand, one hundred seventy-three".