1111320123003 has 6 divisors (see below), whose sum is σ = 1605240177684. Its totient is φ = 740880081996.

The previous prime is 1111320122959. The next prime is 1111320123007. The reversal of 1111320123003 is 3003210231111.

1111320123003 is a `hidden beast` number, since 1 + 111 + 320 + 1 + 230 + 0 + 3 = 666.

It is not a de Polignac number, because 1111320123003 - 2¹² = 1111320118907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111320123007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61740006825 + ... + 61740006842.

It is an arithmetic number, because the mean of its divisors is an integer number (267540029614).

Almost surely, 2^{1111320123003} is an apocalyptic number.

1111320123003 is a deficient number, since it is larger than the sum of its proper divisors (493920054681).

1111320123003 is a wasteful number, since it uses less digits than its factorization.

1111320123003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123480013673 (or 123480013670 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1111320123003 its reverse (3003210231111), we get a palindrome (4114530354114).

The spelling of 1111320123003 in words is "one trillion, one hundred eleven billion, three hundred twenty million, one hundred twenty-three thousand, three".