123100230220 has 48 divisors (see below), whose sum is σ = 286791321600. Its totient is φ = 44005008320.

The previous prime is 123100230083. The next prime is 123100230247. The reversal of 123100230220 is 22032001321.

It is a junction number, because it is equal to n+sod(n) for n = 123100230194 and 123100230203.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4728940 + ... + 4754899.

It is an arithmetic number, because the mean of its divisors is an integer number (5974819200).

Almost surely, 2^123100230220 is an apocalyptic number.

123100230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123100230220 is an abundant number, since it is smaller than the sum of its proper divisors (163691091380).

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

123100230220 is a wasteful number, since it uses less digits than its factorization.

123100230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9483918 (or 9483916 counting only the distinct ones).

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

Adding to 123100230220 its reverse (22032001321), we get a palindrome (145132231541).

The spelling of 123100230220 in words is "one hundred twenty-three billion, one hundred million, two hundred thirty thousand, two hundred twenty".