111123344403 has 24 divisors (see below), whose sum is σ = 167237830656. Its totient is φ = 71022438000.

The previous prime is 111123344357. The next prime is 111123344407. The reversal of 111123344403 is 304443321111.

111123344403 is a `hidden beast` number, since 11 + 11 + 233 + 4 + 4 + 403 = 666.

It is not a de Polignac number, because 111123344403 - 2²⁰ = 111122295827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111123344407) 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 23 ways as a sum of consecutive naturals, for example, 1831323 + ... + 1891028.

It is an arithmetic number, because the mean of its divisors is an integer number (6968242944).

Almost surely, 2^111123344403 is an apocalyptic number.

111123344403 is a deficient number, since it is larger than the sum of its proper divisors (56114486253).

111123344403 is a wasteful number, since it uses less digits than its factorization.

111123344403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722495 (or 3722492 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 111123344403 its reverse (304443321111), we get a palindrome (415566665514).

The spelling of 111123344403 in words is "one hundred eleven billion, one hundred twenty-three million, three hundred forty-four thousand, four hundred three".