120023123020 has 24 divisors (see below), whose sum is σ = 260739889200. Its totient is φ = 46353757632.

The previous prime is 120023122997. The next prime is 120023123123. The reversal of 120023123020 is 20321320021.

It is a junction number, because it is equal to n+sod(n) for n = 120023122985 and 120023123003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103467630 + ... + 103468789.

It is an arithmetic number, because the mean of its divisors is an integer number (10864162050).

Almost surely, 2^120023123020 is an apocalyptic number.

120023123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120023123020 is an abundant number, since it is smaller than the sum of its proper divisors (140716766180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120023123020 is a wasteful number, since it uses less digits than its factorization.

120023123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206936457 (or 206936455 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 120023123020 its reverse (20321320021), we get a palindrome (140344443041).

The spelling of 120023123020 in words is "one hundred twenty billion, twenty-three million, one hundred twenty-three thousand, twenty".