1223001033203 has 4 divisors (see below), whose sum is σ = 1239754472088. Its totient is φ = 1206247594320.

The previous prime is 1223001033197. The next prime is 1223001033251. The reversal of 1223001033203 is 3023301003221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1223001033203 - 2⁴ = 1223001033187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223001033263) 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 in 3 ways as a sum of consecutive naturals, for example, 8376719333 + ... + 8376719478.

It is an arithmetic number, because the mean of its divisors is an integer number (309938618022).

Almost surely, 2^{1223001033203} is an apocalyptic number.

1223001033203 is a deficient number, since it is larger than the sum of its proper divisors (16753438885).

1223001033203 is an equidigital number, since it uses as much as digits as its factorization.

1223001033203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16753438884.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1223001033203 its reverse (3023301003221), we get a palindrome (4246302036424).

The spelling of 1223001033203 in words is "one trillion, two hundred twenty-three billion, one million, thirty-three thousand, two hundred three".