213332821223 has 2 divisors, whose sum is σ = 213332821224. Its totient is φ = 213332821222.

The previous prime is 213332821193. The next prime is 213332821231. The reversal of 213332821223 is 322128233312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213332821223 - 2⁶ = 213332821159 is a prime.

It is a super-2 number, since 2×213332821223² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213332821223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213332821283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106666410611 + 106666410612.

It is an arithmetic number, because the mean of its divisors is an integer number (106666410612).

Almost surely, 2^213332821223 is an apocalyptic number.

213332821223 is a deficient number, since it is larger than the sum of its proper divisors (1).

213332821223 is an equidigital number, since it uses as much as digits as its factorization.

213332821223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 32.

The spelling of 213332821223 in words is "two hundred thirteen billion, three hundred thirty-two million, eight hundred twenty-one thousand, two hundred twenty-three".