1223443120003 has 8 divisors (see below), whose sum is σ = 1322563844448. Its totient is φ = 1125038069184.

The previous prime is 1223443119979. The next prime is 1223443120019. The reversal of 1223443120003 is 3000213443221.

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 1223443120003 - 2²¹ = 1223441022851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223443120003.

It is not an unprimeable number, because it can be changed into a prime (1223443120033) 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 7 ways as a sum of consecutive naturals, for example, 178914850 + ... + 178921687.

It is an arithmetic number, because the mean of its divisors is an integer number (165320480556).

Almost surely, 2^{1223443120003} is an apocalyptic number.

1223443120003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1223443120003 is a deficient number, since it is larger than the sum of its proper divisors (99120724445).

1223443120003 is a wasteful number, since it uses less digits than its factorization.

1223443120003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357836813.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1223443120003 its reverse (3000213443221), we get a palindrome (4223656563224).

The spelling of 1223443120003 in words is "one trillion, two hundred twenty-three billion, four hundred forty-three million, one hundred twenty thousand, three".