223213030273 has 2 divisors, whose sum is σ = 223213030274. Its totient is φ = 223213030272.

The previous prime is 223213030253. The next prime is 223213030307. The reversal of 223213030273 is 372030312322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137171714689 + 86041315584 = 370367^2 + 293328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223213030273 is a prime.

It is a super-3 number, since 3×223213030273³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223213030253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111606515136 + 111606515137.

It is an arithmetic number, because the mean of its divisors is an integer number (111606515137).

Almost surely, 2^223213030273 is an apocalyptic number.

It is an amenable number.

223213030273 is a deficient number, since it is larger than the sum of its proper divisors (1).

223213030273 is an equidigital number, since it uses as much as digits as its factorization.

223213030273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 28.

Adding to 223213030273 its reverse (372030312322), we get a palindrome (595243342595).

The spelling of 223213030273 in words is "two hundred twenty-three billion, two hundred thirteen million, thirty thousand, two hundred seventy-three".