111130423 has 2 divisors, whose sum is σ = 111130424. Its totient is φ = 111130422.

The previous prime is 111130417. The next prime is 111130433. The reversal of 111130423 is 324031111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111130423 - 2⁵ = 111130391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111130397 and 111130406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111130403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55565211 + 55565212.

It is an arithmetic number, because the mean of its divisors is an integer number (55565212).

Almost surely, 2^111130423 is an apocalyptic number.

111130423 is a deficient number, since it is larger than the sum of its proper divisors (1).

111130423 is an equidigital number, since it uses as much as digits as its factorization.

111130423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 111130423 is about 10541.8415374165. The cubic root of 111130423 is about 480.7777077191. Note that the first 4 decimals are identical.

Adding to 111130423 its reverse (324031111), we get a palindrome (435161534).

The spelling of 111130423 in words is "one hundred eleven million, one hundred thirty thousand, four hundred twenty-three".