223424213 has 2 divisors, whose sum is σ = 223424214. Its totient is φ = 223424212.

The previous prime is 223424191. The next prime is 223424261. The reversal of 223424213 is 312424322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203861284 + 19562929 = 14278^2 + 4423^2 .

It is a cyclic number.

It is not a de Polignac number, because 223424213 - 2¹² = 223420117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223424413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111712106 + 111712107.

It is an arithmetic number, because the mean of its divisors is an integer number (111712107).

Almost surely, 2^223424213 is an apocalyptic number.

It is an amenable number.

223424213 is a deficient number, since it is larger than the sum of its proper divisors (1).

223424213 is an equidigital number, since it uses as much as digits as its factorization.

223424213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 23.

The square root of 223424213 is about 14947.3814763657. The cubic root of 223424213 is about 606.7969822632.

Adding to 223424213 its reverse (312424322), we get a palindrome (535848535).

The spelling of 223424213 in words is "two hundred twenty-three million, four hundred twenty-four thousand, two hundred thirteen".