1200322223 has 2 divisors, whose sum is σ = 1200322224. Its totient is φ = 1200322222.

The previous prime is 1200322187. The next prime is 1200322243. The reversal of 1200322223 is 3222230021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200322223 - 2¹² = 1200318127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200322243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600161111 + 600161112.

It is an arithmetic number, because the mean of its divisors is an integer number (600161112).

Almost surely, 2^1200322223 is an apocalyptic number.

1200322223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200322223 is an equidigital number, since it uses as much as digits as its factorization.

1200322223 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 1200322223 is about 34645.6667276010. Note that the first 3 decimals coincide. The cubic root of 1200322223 is about 1062.7536754017.

Adding to 1200322223 its reverse (3222230021), we get a palindrome (4422552244).

The spelling of 1200322223 in words is "one billion, two hundred million, three hundred twenty-two thousand, two hundred twenty-three".