223142173 has 2 divisors, whose sum is σ = 223142174. Its totient is φ = 223142172.

The previous prime is 223142107. The next prime is 223142177. The reversal of 223142173 is 371241322.

It is a happy number.

223142173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217769049 + 5373124 = 14757^2 + 2318^2 .

It is a cyclic number.

It is not a de Polignac number, because 223142173 - 2¹⁷ = 223011101 is a prime.

It is a super-3 number, since 3×223142173³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223142177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111571086 + 111571087.

It is an arithmetic number, because the mean of its divisors is an integer number (111571087).

Almost surely, 2^223142173 is an apocalyptic number.

It is an amenable number.

223142173 is a deficient number, since it is larger than the sum of its proper divisors (1).

223142173 is an equidigital number, since it uses as much as digits as its factorization.

223142173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 223142173 is about 14937.9440687131. The cubic root of 223142173 is about 606.5415442893.

Adding to 223142173 its reverse (371241322), we get a palindrome (594383495).

The spelling of 223142173 in words is "two hundred twenty-three million, one hundred forty-two thousand, one hundred seventy-three".