1200223044123 has 16 divisors (see below), whose sum is σ = 1604565749376. Its totient is φ = 798015209600.

The previous prime is 1200223044077. The next prime is 1200223044133. The reversal of 1200223044123 is 3214403220021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1200223044123 - 2¹⁴ = 1200223027739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200223044093 and 1200223044102.

It is not an unprimeable number, because it can be changed into a prime (1200223044133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7119040 + ... + 7285682.

It is an arithmetic number, because the mean of its divisors is an integer number (100285359336).

Almost surely, 2^{1200223044123} is an apocalyptic number.

1200223044123 is a deficient number, since it is larger than the sum of its proper divisors (404342705253).

1200223044123 is a wasteful number, since it uses less digits than its factorization.

1200223044123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173034.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1200223044123 its reverse (3214403220021), we get a palindrome (4414626264144).

The spelling of 1200223044123 in words is "one trillion, two hundred billion, two hundred twenty-three million, forty-four thousand, one hundred twenty-three".