212323303193 has 2 divisors, whose sum is σ = 212323303194. Its totient is φ = 212323303192.

The previous prime is 212323303147. The next prime is 212323303249. The reversal of 212323303193 is 391303323212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179494574224 + 32828728969 = 423668^2 + 181187^2 .

It is a cyclic number.

It is not a de Polignac number, because 212323303193 - 2²⁶ = 212256194329 is a prime.

It is not a weakly prime, because it can be changed into another prime (212323303123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106161651596 + 106161651597.

It is an arithmetic number, because the mean of its divisors is an integer number (106161651597).

Almost surely, 2^212323303193 is an apocalyptic number.

It is an amenable number.

212323303193 is a deficient number, since it is larger than the sum of its proper divisors (1).

212323303193 is an equidigital number, since it uses as much as digits as its factorization.

212323303193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 32.

The spelling of 212323303193 in words is "two hundred twelve billion, three hundred twenty-three million, three hundred three thousand, one hundred ninety-three".