213423212011 has 2 divisors, whose sum is σ = 213423212012. Its totient is φ = 213423212010.

The previous prime is 213423211999. The next prime is 213423212087. The reversal of 213423212011 is 110212324312.

213423212011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213423212011 - 2⁹ = 213423211499 is a prime.

It is a super-3 number, since 3×213423212011³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (213423212311) 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, 106711606005 + 106711606006.

It is an arithmetic number, because the mean of its divisors is an integer number (106711606006).

Almost surely, 2^213423212011 is an apocalyptic number.

213423212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

213423212011 is an equidigital number, since it uses as much as digits as its factorization.

213423212011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 213423212011 its reverse (110212324312), we get a palindrome (323635536323).

The spelling of 213423212011 in words is "two hundred thirteen billion, four hundred twenty-three million, two hundred twelve thousand, eleven".