111422423389 has 2 divisors, whose sum is σ = 111422423390. Its totient is φ = 111422423388.

The previous prime is 111422423363. The next prime is 111422423443. The reversal of 111422423389 is 983324224111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82737920164 + 28684503225 = 287642^2 + 169365^2 .

It is an emirp because it is prime and its reverse (983324224111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111422423389 - 2⁷ = 111422423261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111422433389) 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, 55711211694 + 55711211695.

It is an arithmetic number, because the mean of its divisors is an integer number (55711211695).

Almost surely, 2^111422423389 is an apocalyptic number.

It is an amenable number.

111422423389 is a deficient number, since it is larger than the sum of its proper divisors (1).

111422423389 is an equidigital number, since it uses as much as digits as its factorization.

111422423389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 40.

The spelling of 111422423389 in words is "one hundred eleven billion, four hundred twenty-two million, four hundred twenty-three thousand, three hundred eighty-nine".