111343023 has 48 divisors (see below), whose sum is σ = 185193216. Its totient is φ = 63803520.

The previous prime is 111343019. The next prime is 111343033. The reversal of 111343023 is 320343111.

It is not a de Polignac number, because 111343023 - 2² = 111343019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111342987 and 111343005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111343033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243411 + ... + 243867.

It is an arithmetic number, because the mean of its divisors is an integer number (3858192).

Almost surely, 2^111343023 is an apocalyptic number.

111343023 is a deficient number, since it is larger than the sum of its proper divisors (73850193).

111343023 is a wasteful number, since it uses less digits than its factorization.

111343023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 601 counting only the distinct ones).

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

The square root of 111343023 is about 10551.9203465530. The cubic root of 111343023 is about 481.0840991546.

Adding to 111343023 its reverse (320343111), we get a palindrome (431686134).

The spelling of 111343023 in words is "one hundred eleven million, three hundred forty-three thousand, twenty-three".