120666223 has 2 divisors, whose sum is σ = 120666224. Its totient is φ = 120666222.

The previous prime is 120666209. The next prime is 120666253. The reversal of 120666223 is 322666021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120666223 - 2⁵ = 120666191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120666191 and 120666200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120666253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60333111 + 60333112.

It is an arithmetic number, because the mean of its divisors is an integer number (60333112).

Almost surely, 2^120666223 is an apocalyptic number.

120666223 is a deficient number, since it is larger than the sum of its proper divisors (1).

120666223 is an equidigital number, since it uses as much as digits as its factorization.

120666223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 120666223 is about 10984.8178410022. The cubic root of 120666223 is about 494.1535348081.

The spelling of 120666223 in words is "one hundred twenty million, six hundred sixty-six thousand, two hundred twenty-three".