213301223 has 2 divisors, whose sum is σ = 213301224. Its totient is φ = 213301222.

The previous prime is 213301217. The next prime is 213301237. The reversal of 213301223 is 322103312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213301223 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213301213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106650611 + 106650612.

It is an arithmetic number, because the mean of its divisors is an integer number (106650612).

Almost surely, 2^213301223 is an apocalyptic number.

213301223 is a deficient number, since it is larger than the sum of its proper divisors (1).

213301223 is an equidigital number, since it uses as much as digits as its factorization.

213301223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 213301223 is about 14604.8356033199. The cubic root of 213301223 is about 597.4906523283.

Adding to 213301223 its reverse (322103312), we get a palindrome (535404535).

The spelling of 213301223 in words is "two hundred thirteen million, three hundred one thousand, two hundred twenty-three".