1223112443303 has 4 divisors (see below), whose sum is σ = 1223134155840. Its totient is φ = 1223090730768.

The previous prime is 1223112443239. The next prime is 1223112443339. The reversal of 1223112443303 is 3033442113221.

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 1223112443303 - 2⁶ = 1223112443239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223112448303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10771550 + ... + 10884507.

It is an arithmetic number, because the mean of its divisors is an integer number (305783538960).

Almost surely, 2^{1223112443303} is an apocalyptic number.

1223112443303 is a deficient number, since it is larger than the sum of its proper divisors (21712537).

1223112443303 is an equidigital number, since it uses as much as digits as its factorization.

1223112443303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21712536.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1223112443303 its reverse (3033442113221), we get a palindrome (4256554556524).

The spelling of 1223112443303 in words is "one trillion, two hundred twenty-three billion, one hundred twelve million, four hundred forty-three thousand, three hundred three".