103123321030020 has 144 divisors (see below), whose sum is σ = 296388435474432. Its totient is φ = 26789886144000.

The previous prime is 103123321030007. The next prime is 103123321030021. The reversal of 103123321030020 is 20030123321301.

It is not an unprimeable number, because it can be changed into a prime (103123321030021) 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, 41276520 + ... + 43703520.

It is an arithmetic number, because the mean of its divisors is an integer number (2058253024128).

Almost surely, 2^{103123321030020} is an apocalyptic number.

103123321030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103123321030020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148194217737216).

103123321030020 is an abundant number, since it is smaller than the sum of its proper divisors (193265114444412).

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

103123321030020 is a wasteful number, since it uses less digits than its factorization.

103123321030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427482 (or 2427437 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 103123321030020 its reverse (20030123321301), we get a palindrome (123153444351321).

The spelling of 103123321030020 in words is "one hundred three trillion, one hundred twenty-three billion, three hundred twenty-one million, thirty thousand, twenty".