123424100300 has 72 divisors (see below), whose sum is σ = 272388513936. Its totient is φ = 48533852160.

The previous prime is 123424100279. The next prime is 123424100309. The reversal of 123424100300 is 3001424321.

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

It is not an unprimeable number, because it can be changed into a prime (123424100309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2213564 + ... + 2268636.

Almost surely, 2^123424100300 is an apocalyptic number.

123424100300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123424100300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136194256968).

123424100300 is an abundant number, since it is smaller than the sum of its proper divisors (148964413636).

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

123424100300 is a wasteful number, since it uses less digits than its factorization.

123424100300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55467 (or 55460 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 123424100300 its reverse (3001424321), we get a palindrome (126425524621).

The spelling of 123424100300 in words is "one hundred twenty-three billion, four hundred twenty-four million, one hundred thousand, three hundred".