212043343 has 2 divisors, whose sum is σ = 212043344. Its totient is φ = 212043342.

The previous prime is 212043323. The next prime is 212043361. The reversal of 212043343 is 343340212.

It is a happy number.

212043343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212043343 - 2⁵ = 212043311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212043313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106021671 + 106021672.

It is an arithmetic number, because the mean of its divisors is an integer number (106021672).

Almost surely, 2^212043343 is an apocalyptic number.

212043343 is a deficient number, since it is larger than the sum of its proper divisors (1).

212043343 is an equidigital number, since it uses as much as digits as its factorization.

212043343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 212043343 is about 14561.7081072242. The cubic root of 212043343 is about 596.3138286487.

Adding to 212043343 its reverse (343340212), we get a palindrome (555383555).

The spelling of 212043343 in words is "two hundred twelve million, forty-three thousand, three hundred forty-three".