111322310123 has 4 divisors (see below), whose sum is σ = 111375653040. Its totient is φ = 111268967208.

The previous prime is 111322310101. The next prime is 111322310129. The reversal of 111322310123 is 321013223111.

It is a happy number.

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 111322310123 - 2²⁴ = 111305532907 is a prime.

It is a super-3 number, since 3×111322310123³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111322310095 and 111322310104.

It is not an unprimeable number, because it can be changed into a prime (111322310129) 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 3 ways as a sum of consecutive naturals, for example, 26668328 + ... + 26672501.

It is an arithmetic number, because the mean of its divisors is an integer number (27843913260).

Almost surely, 2^111322310123 is an apocalyptic number.

111322310123 is a deficient number, since it is larger than the sum of its proper divisors (53342917).

111322310123 is an equidigital number, since it uses as much as digits as its factorization.

111322310123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53342916.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111322310123 its reverse (321013223111), we get a palindrome (432335533234).

The spelling of 111322310123 in words is "one hundred eleven billion, three hundred twenty-two million, three hundred ten thousand, one hundred twenty-three".