123444230020 has 48 divisors (see below), whose sum is σ = 260086095360. Its totient is φ = 49215430656.

The previous prime is 123444230011. The next prime is 123444230033. The reversal of 123444230020 is 20032444321.

It is a happy number.

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, 8451844 + ... + 8466436.

It is an arithmetic number, because the mean of its divisors is an integer number (5418460320).

Almost surely, 2^123444230020 is an apocalyptic number.

123444230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123444230020 is an abundant number, since it is smaller than the sum of its proper divisors (136641865340).

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

123444230020 is a wasteful number, since it uses less digits than its factorization.

123444230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15964 (or 15962 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 123444230020 its reverse (20032444321), we get a palindrome (143476674341).

The spelling of 123444230020 in words is "one hundred twenty-three billion, four hundred forty-four million, two hundred thirty thousand, twenty".