111223023 has 4 divisors (see below), whose sum is σ = 148297368. Its totient is φ = 74148680.

The previous prime is 111223001. The next prime is 111223031. The reversal of 111223023 is 320322111.

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 111223023 - 2⁸ = 111222767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111222993 and 111223011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111223223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18537168 + ... + 18537173.

It is an arithmetic number, because the mean of its divisors is an integer number (37074342).

Almost surely, 2^111223023 is an apocalyptic number.

111223023 is a deficient number, since it is larger than the sum of its proper divisors (37074345).

111223023 is an equidigital number, since it uses as much as digits as its factorization.

111223023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37074344.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 111223023 is about 10546.2326448832. The cubic root of 111223023 is about 480.9112074837.

Adding to 111223023 its reverse (320322111), we get a palindrome (431545134).

The spelling of 111223023 in words is "one hundred eleven million, two hundred twenty-three thousand, twenty-three".