212305443323 has 2 divisors, whose sum is σ = 212305443324. Its totient is φ = 212305443322.

The previous prime is 212305443307. The next prime is 212305443331. The reversal of 212305443323 is 323344503212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212305443323 - 2⁴ = 212305443307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212305443323.

It is not a weakly prime, because it can be changed into another prime (212305643323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106152721661 + 106152721662.

It is an arithmetic number, because the mean of its divisors is an integer number (106152721662).

Almost surely, 2^212305443323 is an apocalyptic number.

212305443323 is a deficient number, since it is larger than the sum of its proper divisors (1).

212305443323 is an equidigital number, since it uses as much as digits as its factorization.

212305443323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 212305443323 its reverse (323344503212), we get a palindrome (535649946535).

The spelling of 212305443323 in words is "two hundred twelve billion, three hundred five million, four hundred forty-three thousand, three hundred twenty-three".