1223313042203 has 8 divisors (see below), whose sum is σ = 1401065782272. Its totient is φ = 1046308735656.

The previous prime is 1223313042199. The next prime is 1223313042227. The reversal of 1223313042203 is 3022403133221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1223313042203 - 2² = 1223313042199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223313042233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187104875 + ... + 187111412.

It is an arithmetic number, because the mean of its divisors is an integer number (175133222784).

Almost surely, 2^{1223313042203} is an apocalyptic number.

1223313042203 is a deficient number, since it is larger than the sum of its proper divisors (177752740069).

1223313042203 is an equidigital number, since it uses as much as digits as its factorization.

1223313042203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374216761.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1223313042203 its reverse (3022403133221), we get a palindrome (4245716175424).

The spelling of 1223313042203 in words is "one trillion, two hundred twenty-three billion, three hundred thirteen million, forty-two thousand, two hundred three".