120013003123 has 48 divisors (see below), whose sum is σ = 143405004960. Its totient is φ = 99720474624.

The previous prime is 120013003091. The next prime is 120013003171. The reversal of 120013003123 is 321300310021.

It is not a de Polignac number, because 120013003123 - 2⁵ = 120013003091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120013003097 and 120013003106.

It is not an unprimeable number, because it can be changed into a prime (120013013123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8194215 + ... + 8208847.

It is an arithmetic number, because the mean of its divisors is an integer number (2987604270).

Almost surely, 2^120013003123 is an apocalyptic number.

120013003123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120013003123 is a deficient number, since it is larger than the sum of its proper divisors (23392001837).

120013003123 is a wasteful number, since it uses less digits than its factorization.

120013003123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14776 (or 14759 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 120013003123 its reverse (321300310021), we get a palindrome (441313313144).

The spelling of 120013003123 in words is "one hundred twenty billion, thirteen million, three thousand, one hundred twenty-three".