120323123 has 4 divisors (see below), whose sum is σ = 120480360.
Its totient is φ = 120165888.
The previous prime is 120323113. The next prime is 120323129. The reversal of 120323123 is 321323021.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 120323123 - 210 = 120322099 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120323129) 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 3 ways as a sum of consecutive naturals, for example, 77465 + ... + 79002.
It is an arithmetic number, because the mean of its divisors is an integer number (30120090).
Almost surely, 2120323123 is an apocalyptic number.
120323123 is a deficient number, since it is larger than the sum of its proper divisors (157237).
120323123 is an equidigital number, since it uses as much as digits as its factorization.
120323123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157236.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 120323123 is about 10969.1897148331.
The cubic root of 120323123 is about 493.6847346731.
Adding to 120323123 its reverse (321323021), we get a palindrome (441646144).
The spelling of 120323123 in words is "one hundred twenty million, three hundred twenty-three thousand, one hundred twenty-three".