111422123 has 2 divisors, whose sum is σ = 111422124. Its totient is φ = 111422122.

The previous prime is 111422117. The next prime is 111422141. The reversal of 111422123 is 321224111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111422123 - 2⁴ = 111422107 is a prime.

It is not a weakly prime, because it can be changed into another prime (111422183) 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, 55711061 + 55711062.

It is an arithmetic number, because the mean of its divisors is an integer number (55711062).

Almost surely, 2^111422123 is an apocalyptic number.

111422123 is a deficient number, since it is larger than the sum of its proper divisors (1).

111422123 is an equidigital number, since it uses as much as digits as its factorization.

111422123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 17.

The square root of 111422123 is about 10555.6678140229. The cubic root of 111422123 is about 481.1979956624.

Adding to 111422123 its reverse (321224111), we get a palindrome (432646234).

The spelling of 111422123 in words is "one hundred eleven million, four hundred twenty-two thousand, one hundred twenty-three".