1223113203303 has 4 divisors (see below), whose sum is σ = 1630817604408. Its totient is φ = 815408802200.

The previous prime is 1223113203241. The next prime is 1223113203317. The reversal of 1223113203303 is 3033023113221.

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 1223113203303 - 2¹² = 1223113199207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223113253303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203852200548 + ... + 203852200553.

It is an arithmetic number, because the mean of its divisors is an integer number (407704401102).

Almost surely, 2^{1223113203303} is an apocalyptic number.

1223113203303 is a deficient number, since it is larger than the sum of its proper divisors (407704401105).

1223113203303 is an equidigital number, since it uses as much as digits as its factorization.

1223113203303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407704401104.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1223113203303 its reverse (3033023113221), we get a palindrome (4256136316524).

The spelling of 1223113203303 in words is "one trillion, two hundred twenty-three billion, one hundred thirteen million, two hundred three thousand, three hundred three".