213323417 has 2 divisors, whose sum is σ = 213323418. Its totient is φ = 213323416.

The previous prime is 213323401. The next prime is 213323437. The reversal of 213323417 is 714323312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161900176 + 51423241 = 12724^2 + 7171^2 .

It is a cyclic number.

It is not a de Polignac number, because 213323417 - 2⁴ = 213323401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (213323437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106661708 + 106661709.

It is an arithmetic number, because the mean of its divisors is an integer number (106661709).

Almost surely, 2^213323417 is an apocalyptic number.

It is an amenable number.

213323417 is a deficient number, since it is larger than the sum of its proper divisors (1).

213323417 is an equidigital number, since it uses as much as digits as its factorization.

213323417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 26.

The square root of 213323417 is about 14605.5954003936. The cubic root of 213323417 is about 597.5113745843.

Adding to 213323417 its reverse (714323312), we get a palindrome (927646729).

The spelling of 213323417 in words is "two hundred thirteen million, three hundred twenty-three thousand, four hundred seventeen".