120002030123 has 4 divisors (see below), whose sum is σ = 120605055600. Its totient is φ = 119399004648.

The previous prime is 120002030119. The next prime is 120002030129. The reversal of 120002030123 is 321030200021.

It is a happy number.

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 120002030123 - 2² = 120002030119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120002030098 and 120002030107.

It is not an unprimeable number, because it can be changed into a prime (120002030129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301512440 + ... + 301512837.

It is an arithmetic number, because the mean of its divisors is an integer number (30151263900).

Almost surely, 2^120002030123 is an apocalyptic number.

120002030123 is a deficient number, since it is larger than the sum of its proper divisors (603025477).

120002030123 is an equidigital number, since it uses as much as digits as its factorization.

120002030123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603025476.

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

Adding to 120002030123 its reverse (321030200021), we get a palindrome (441032230144).

The spelling of 120002030123 in words is "one hundred twenty billion, two million, thirty thousand, one hundred twenty-three".