111654223 has 2 divisors, whose sum is σ = 111654224. Its totient is φ = 111654222.

The previous prime is 111654211. The next prime is 111654247. The reversal of 111654223 is 322456111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111654223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111654923) 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, 55827111 + 55827112.

It is an arithmetic number, because the mean of its divisors is an integer number (55827112).

Almost surely, 2^111654223 is an apocalyptic number.

111654223 is a deficient number, since it is larger than the sum of its proper divisors (1).

111654223 is an equidigital number, since it uses as much as digits as its factorization.

111654223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 111654223 is about 10566.6561882177. The cubic root of 111654223 is about 481.5318868487.

The spelling of 111654223 in words is "one hundred eleven million, six hundred fifty-four thousand, two hundred twenty-three".