111423303 has 8 divisors (see below), whose sum is σ = 165071600. Its totient is φ = 74282184.

The previous prime is 111423251. The next prime is 111423343. The reversal of 111423303 is 303324111.

It is not a de Polignac number, because 111423303 - 2⁹ = 111422791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111423343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2063368 + ... + 2063421.

It is an arithmetic number, because the mean of its divisors is an integer number (20633950).

Almost surely, 2^111423303 is an apocalyptic number.

111423303 is a deficient number, since it is larger than the sum of its proper divisors (53648297).

111423303 is an equidigital number, since it uses as much as digits as its factorization.

111423303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126798 (or 4126792 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 111423303 is about 10555.7237080174. The cubic root of 111423303 is about 481.1996943425.

Adding to 111423303 its reverse (303324111), we get a palindrome (414747414).

The spelling of 111423303 in words is "one hundred eleven million, four hundred twenty-three thousand, three hundred three".