123430110020 has 48 divisors (see below), whose sum is σ = 311823442560. Its totient is φ = 40091583744.

The previous prime is 123430110007. The next prime is 123430110059. The reversal of 123430110020 is 20011034321.

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, 23198489 + ... + 23203808.

It is an arithmetic number, because the mean of its divisors is an integer number (6496321720).

Almost surely, 2^123430110020 is an apocalyptic number.

123430110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123430110020 is an abundant number, since it is smaller than the sum of its proper divisors (188393332540).

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

123430110020 is a wasteful number, since it uses less digits than its factorization.

123430110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46402332 (or 46402330 counting only the distinct ones).

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

Adding to 123430110020 its reverse (20011034321), we get a palindrome (143441144341).

The spelling of 123430110020 in words is "one hundred twenty-three billion, four hundred thirty million, one hundred ten thousand, twenty".