123233210120 has 32 divisors (see below), whose sum is σ = 293585002200. Its totient is φ = 46393678848.

The previous prime is 123233210117. The next prime is 123233210197. The reversal of 123233210120 is 21012332321.

It can be written as a sum of positive squares in 4 ways, for example, as 115215440356 + 8017769764 = 339434^2 + 89542^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 123233210092 and 123233210101.

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, 90611975 + ... + 90613334.

Almost surely, 2^123233210120 is an apocalyptic number.

123233210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123233210120 is an abundant number, since it is smaller than the sum of its proper divisors (170351792080).

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

123233210120 is a wasteful number, since it uses less digits than its factorization.

123233210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181225337 (or 181225333 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123233210120 its reverse (21012332321), we get a palindrome (144245542441).

The spelling of 123233210120 in words is "one hundred twenty-three billion, two hundred thirty-three million, two hundred ten thousand, one hundred twenty".