123000212243 has 2 divisors, whose sum is σ = 123000212244. Its totient is φ = 123000212242.

The previous prime is 123000212191. The next prime is 123000212249. The reversal of 123000212243 is 342212000321.

It is a strong prime.

It is an emirp because it is prime and its reverse (342212000321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123000212243 - 2⁸ = 123000211987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (123000212249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61500106121 + 61500106122.

It is an arithmetic number, because the mean of its divisors is an integer number (61500106122).

Almost surely, 2^123000212243 is an apocalyptic number.

123000212243 is a deficient number, since it is larger than the sum of its proper divisors (1).

123000212243 is an equidigital number, since it uses as much as digits as its factorization.

123000212243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 123000212243 its reverse (342212000321), we get a palindrome (465212212564).

The spelling of 123000212243 in words is "one hundred twenty-three billion, two hundred twelve thousand, two hundred forty-three".