111343003123 has 24 divisors (see below), whose sum is σ = 132177631824. Its totient is φ = 92943052800.

The previous prime is 111343003117. The next prime is 111343003133. The reversal of 111343003123 is 321300343111.

It is not a de Polignac number, because 111343003123 - 2⁵ = 111343003091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111343003094 and 111343003103.

It is not an unprimeable number, because it can be changed into a prime (111343003103) 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, 296790 + ... + 557467.

It is an arithmetic number, because the mean of its divisors is an integer number (5507401326).

Almost surely, 2^111343003123 is an apocalyptic number.

111343003123 is a deficient number, since it is larger than the sum of its proper divisors (20834628701).

111343003123 is a wasteful number, since it uses less digits than its factorization.

111343003123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854343 (or 854326 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 111343003123 its reverse (321300343111), we get a palindrome (432643346234).

The spelling of 111343003123 in words is "one hundred eleven billion, three hundred forty-three million, three thousand, one hundred twenty-three".