111022823 has 2 divisors, whose sum is σ = 111022824. Its totient is φ = 111022822.

The previous prime is 111022799. The next prime is 111022841. The reversal of 111022823 is 328220111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111022823 - 2¹² = 111018727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111022795 and 111022804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111027823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511411 + 55511412.

It is an arithmetic number, because the mean of its divisors is an integer number (55511412).

Almost surely, 2^111022823 is an apocalyptic number.

111022823 is a deficient number, since it is larger than the sum of its proper divisors (1).

111022823 is an equidigital number, since it uses as much as digits as its factorization.

111022823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 111022823 is about 10536.7368288289. The cubic root of 111022823 is about 480.6224895378.

Adding to 111022823 its reverse (328220111), we get a palindrome (439242934).

The spelling of 111022823 in words is "one hundred eleven million, twenty-two thousand, eight hundred twenty-three".