120320123 has 16 divisors (see below), whose sum is σ = 152845056. Its totient is φ = 91983840.

The previous prime is 120320111. The next prime is 120320173. The reversal of 120320123 is 321023021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120320123 - 2⁶ = 120320059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120320098 and 120320107.

It is not an unprimeable number, because it can be changed into a prime (120320173) 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 in 15 ways as a sum of consecutive naturals, for example, 10661 + ... + 18822.

It is an arithmetic number, because the mean of its divisors is an integer number (9552816).

Almost surely, 2^120320123 is an apocalyptic number.

120320123 is a deficient number, since it is larger than the sum of its proper divisors (32524933).

120320123 is a wasteful number, since it uses less digits than its factorization.

120320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29554.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 120320123 is about 10969.0529673258. The cubic root of 120320123 is about 493.6806316476.

Adding to 120320123 its reverse (321023021), we get a palindrome (441343144).

The spelling of 120320123 in words is "one hundred twenty million, three hundred twenty thousand, one hundred twenty-three".