111079823 has 2 divisors, whose sum is σ = 111079824. Its totient is φ = 111079822.

The previous prime is 111079781. The next prime is 111079849. The reversal of 111079823 is 328970111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111079823 - 2²⁰ = 110031247 is a prime.

It is a super-2 number, since 2×111079823² = 24677454155422658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111079823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111079723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55539911 + 55539912.

It is an arithmetic number, because the mean of its divisors is an integer number (55539912).

Almost surely, 2^111079823 is an apocalyptic number.

111079823 is a deficient number, since it is larger than the sum of its proper divisors (1).

111079823 is an equidigital number, since it uses as much as digits as its factorization.

111079823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 111079823 is about 10539.4413039781. The cubic root of 111079823 is about 480.7047272680.

The spelling of 111079823 in words is "one hundred eleven million, seventy-nine thousand, eight hundred twenty-three".