111423677 has 2 divisors, whose sum is σ = 111423678. Its totient is φ = 111423676.

The previous prime is 111423673. The next prime is 111423721. The reversal of 111423677 is 776324111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104632441 + 6791236 = 10229^2 + 2606^2 .

It is an emirp because it is prime and its reverse (776324111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111423677 - 2² = 111423673 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111423671) 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, 55711838 + 55711839.

It is an arithmetic number, because the mean of its divisors is an integer number (55711839).

Almost surely, 2^111423677 is an apocalyptic number.

It is an amenable number.

111423677 is a deficient number, since it is larger than the sum of its proper divisors (1).

111423677 is an equidigital number, since it uses as much as digits as its factorization.

111423677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 32.

The square root of 111423677 is about 10555.7414235098. The cubic root of 111423677 is about 481.2002327352.

Adding to 111423677 its reverse (776324111), we get a palindrome (887747788).

The spelling of 111423677 in words is "one hundred eleven million, four hundred twenty-three thousand, six hundred seventy-seven".