123230010120 has 64 divisors (see below), whose sum is σ = 422502894720. Its totient is φ = 28166859264.

The previous prime is 123230010061. The next prime is 123230010131. The reversal of 123230010120 is 21010032321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 123230010120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73350357 + ... + 73352036.

It is an arithmetic number, because the mean of its divisors is an integer number (6601607730).

Almost surely, 2^123230010120 is an apocalyptic number.

123230010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123230010120 is an abundant number, since it is smaller than the sum of its proper divisors (299272884600).

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

123230010120 is a wasteful number, since it uses less digits than its factorization.

123230010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146702414 (or 146702410 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 123230010120 its reverse (21010032321), we get a palindrome (144240042441).

The spelling of 123230010120 in words is "one hundred twenty-three billion, two hundred thirty million, ten thousand, one hundred twenty".