1200013223 has 2 divisors, whose sum is σ = 1200013224. Its totient is φ = 1200013222.

The previous prime is 1200013211. The next prime is 1200013261. The reversal of 1200013223 is 3223100021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200013223 - 2⁴ = 1200013207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200013198 and 1200013207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200013273) 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, 600006611 + 600006612.

It is an arithmetic number, because the mean of its divisors is an integer number (600006612).

Almost surely, 2^1200013223 is an apocalyptic number.

1200013223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200013223 is an equidigital number, since it uses as much as digits as its factorization.

1200013223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1200013223 is about 34641.2070084170. The cubic root of 1200013223 is about 1062.6624723722.

Adding to 1200013223 its reverse (3223100021), we get a palindrome (4423113244).

The spelling of 1200013223 in words is "one billion, two hundred million, thirteen thousand, two hundred twenty-three".