111244423 has 2 divisors, whose sum is σ = 111244424. Its totient is φ = 111244422.

The previous prime is 111244421. The next prime is 111244451. The reversal of 111244423 is 324442111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111244423 - 2¹ = 111244421 is a prime.

Together with 111244421, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 111244394 and 111244403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111244421) 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 as a sum of consecutive naturals, namely, 55622211 + 55622212.

It is an arithmetic number, because the mean of its divisors is an integer number (55622212).

Almost surely, 2^111244423 is an apocalyptic number.

111244423 is a deficient number, since it is larger than the sum of its proper divisors (1).

111244423 is an equidigital number, since it uses as much as digits as its factorization.

111244423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 22.

The square root of 111244423 is about 10547.2471763963. The cubic root of 111244423 is about 480.9420489396.

Adding to 111244423 its reverse (324442111), we get a palindrome (435686534).

The spelling of 111244423 in words is "one hundred eleven million, two hundred forty-four thousand, four hundred twenty-three".