212344423 has 2 divisors, whose sum is σ = 212344424. Its totient is φ = 212344422.

The previous prime is 212344421. The next prime is 212344439. The reversal of 212344423 is 324443212.

It is a happy number.

212344423 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 212344423 - 2¹ = 212344421 is a prime.

Together with 212344421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212344421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106172211 + 106172212.

It is an arithmetic number, because the mean of its divisors is an integer number (106172212).

Almost surely, 2^212344423 is an apocalyptic number.

212344423 is a deficient number, since it is larger than the sum of its proper divisors (1).

212344423 is an equidigital number, since it uses as much as digits as its factorization.

212344423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 25.

The square root of 212344423 is about 14572.0425129767. The cubic root of 212344423 is about 596.5959301861.

Adding to 212344423 its reverse (324443212), we get a palindrome (536787635).

The spelling of 212344423 in words is "two hundred twelve million, three hundred forty-four thousand, four hundred twenty-three".