213313201223 has 2 divisors, whose sum is σ = 213313201224. Its totient is φ = 213313201222.

The previous prime is 213313201219. The next prime is 213313201237. The reversal of 213313201223 is 322102313312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213313201223 - 2² = 213313201219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213313231223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106656600611 + 106656600612.

It is an arithmetic number, because the mean of its divisors is an integer number (106656600612).

Almost surely, 2^213313201223 is an apocalyptic number.

213313201223 is a deficient number, since it is larger than the sum of its proper divisors (1).

213313201223 is an equidigital number, since it uses as much as digits as its factorization.

213313201223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213313201223 its reverse (322102313312), we get a palindrome (535415514535).

The spelling of 213313201223 in words is "two hundred thirteen billion, three hundred thirteen million, two hundred one thousand, two hundred twenty-three".