111432323 has 4 divisors (see below), whose sum is σ = 113095560. Its totient is φ = 109769088.

The previous prime is 111432319. The next prime is 111432329. The reversal of 111432323 is 323234111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323234111 = 23 ⋅14053657.

It is a cyclic number.

It is not a de Polignac number, because 111432323 - 2² = 111432319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111432295 and 111432304.

It is not an unprimeable number, because it can be changed into a prime (111432329) 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 3 ways as a sum of consecutive naturals, for example, 831518 + ... + 831651.

It is an arithmetic number, because the mean of its divisors is an integer number (28273890).

Almost surely, 2^111432323 is an apocalyptic number.

111432323 is a deficient number, since it is larger than the sum of its proper divisors (1663237).

111432323 is an equidigital number, since it uses as much as digits as its factorization.

111432323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663236.

The product of its digits is 432, while the sum is 20.

The square root of 111432323 is about 10556.1509557225. The cubic root of 111432323 is about 481.2126787722.

Adding to 111432323 its reverse (323234111), we get a palindrome (434666434).

The spelling of 111432323 in words is "one hundred eleven million, four hundred thirty-two thousand, three hundred twenty-three".