212022323 has 2 divisors, whose sum is σ = 212022324. Its totient is φ = 212022322.

The previous prime is 212022301. The next prime is 212022353. The reversal of 212022323 is 323220212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212022323 - 2⁸ = 212022067 is a prime.

It is not a weakly prime, because it can be changed into another prime (212022353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011161 + 106011162.

It is an arithmetic number, because the mean of its divisors is an integer number (106011162).

Almost surely, 2^212022323 is an apocalyptic number.

212022323 is a deficient number, since it is larger than the sum of its proper divisors (1).

212022323 is an equidigital number, since it uses as much as digits as its factorization.

212022323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 212022323 is about 14560.9863333498. The cubic root of 212022323 is about 596.2941236665.

Adding to 212022323 its reverse (323220212), we get a palindrome (535242535).

The spelling of 212022323 in words is "two hundred twelve million, twenty-two thousand, three hundred twenty-three".