111423875 has 8 divisors (see below), whose sum is σ = 139057152. Its totient is φ = 89139000.

The previous prime is 111423863. The next prime is 111423877. The reversal of 111423875 is 578324111.

It is not a de Polignac number, because 111423875 - 2⁴ = 111423859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111423877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445571 + ... + 445820.

It is an arithmetic number, because the mean of its divisors is an integer number (17382144).

Almost surely, 2^111423875 is an apocalyptic number.

111423875 is a deficient number, since it is larger than the sum of its proper divisors (27633277).

111423875 is an frugal number, since it uses more digits than its factorization.

111423875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891406 (or 891396 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 111423875 is about 10555.7508022878. The cubic root of 111423875 is about 481.2005177662.

Adding to 111423875 its reverse (578324111), we get a palindrome (689747986).

The spelling of 111423875 in words is "one hundred eleven million, four hundred twenty-three thousand, eight hundred seventy-five".