123210230120 has 16 divisors (see below), whose sum is σ = 277223017860. Its totient is φ = 49284092032.

The previous prime is 123210230113. The next prime is 123210230131. The reversal of 123210230120 is 21032012321.

It can be written as a sum of positive squares in 2 ways, for example, as 102117315364 + 21092914756 = 319558^2 + 145234^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540127837 + ... + 1540127916.

Almost surely, 2^123210230120 is an apocalyptic number.

123210230120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123210230120 is an abundant number, since it is smaller than the sum of its proper divisors (154012787740).

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

123210230120 is a wasteful number, since it uses less digits than its factorization.

123210230120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080255764 (or 3080255760 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123210230120 its reverse (21032012321), we get a palindrome (144242242441).

The spelling of 123210230120 in words is "one hundred twenty-three billion, two hundred ten million, two hundred thirty thousand, one hundred twenty".