200420243044223 has 2 divisors, whose sum is σ = 200420243044224. Its totient is φ = 200420243044222.

The previous prime is 200420243044199. The next prime is 200420243044261. The reversal of 200420243044223 is 322440342024002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200420243044223 - 2⁶ = 200420243044159 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200420243044223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200420243041223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100210121522111 + 100210121522112.

It is an arithmetic number, because the mean of its divisors is an integer number (100210121522112).

Almost surely, 2^{200420243044223} is an apocalyptic number.

200420243044223 is a deficient number, since it is larger than the sum of its proper divisors (1).

200420243044223 is an equidigital number, since it uses as much as digits as its factorization.

200420243044223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 200420243044223 its reverse (322440342024002), we get a palindrome (522860585068225).

The spelling of 200420243044223 in words is "two hundred trillion, four hundred twenty billion, two hundred forty-three million, forty-four thousand, two hundred twenty-three".