1223221213023 has 16 divisors (see below), whose sum is σ = 1701900288000. Its totient is φ = 780012610784.

The previous prime is 1223221213007. The next prime is 1223221213103. The reversal of 1223221213023 is 3203121223221.

It is a cyclic number.

It is not a de Polignac number, because 1223221213023 - 2⁴ = 1223221213007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223221212984 and 1223221213002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223221213723) 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, 6274978 + ... + 6466976.

It is an arithmetic number, because the mean of its divisors is an integer number (106368768000).

Almost surely, 2^{1223221213023} is an apocalyptic number.

1223221213023 is a deficient number, since it is larger than the sum of its proper divisors (478679074977).

1223221213023 is a wasteful number, since it uses less digits than its factorization.

1223221213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284358.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1223221213023 its reverse (3203121223221), we get a palindrome (4426342436244).

The spelling of 1223221213023 in words is "one trillion, two hundred twenty-three billion, two hundred twenty-one million, two hundred thirteen thousand, twenty-three".