223213303 has 2 divisors, whose sum is σ = 223213304. Its totient is φ = 223213302.

The previous prime is 223213283. The next prime is 223213351. The reversal of 223213303 is 303312322.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223213303 - 2²¹ = 221116151 is a prime.

It is a super-3 number, since 3×223213303³ (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 (223213103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111606651 + 111606652.

It is an arithmetic number, because the mean of its divisors is an integer number (111606652).

Almost surely, 2^223213303 is an apocalyptic number.

223213303 is a deficient number, since it is larger than the sum of its proper divisors (1).

223213303 is an equidigital number, since it uses as much as digits as its factorization.

223213303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 223213303 is about 14940.3247287333. The cubic root of 223213303 is about 606.6059855916.

Adding to 223213303 its reverse (303312322), we get a palindrome (526525625).

The spelling of 223213303 in words is "two hundred twenty-three million, two hundred thirteen thousand, three hundred three".