243423225100 has 144 divisors (see below), whose sum is σ = 595777867776. Its totient is φ = 85526784000.

The previous prime is 243423225083. The next prime is 243423225127. The reversal of 243423225100 is 1522324342.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22943997 + ... + 22954603.

It is an arithmetic number, because the mean of its divisors is an integer number (4137346304).

Almost surely, 2^243423225100 is an apocalyptic number.

243423225100 is a gapful number since it is divisible by the number (20) 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 243423225100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297888933888).

243423225100 is an abundant number, since it is smaller than the sum of its proper divisors (352354642676).

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

243423225100 is a wasteful number, since it uses less digits than its factorization.

243423225100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11336 (or 11329 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 243423225100 its reverse (1522324342), we get a palindrome (244945549442).

The spelling of 243423225100 in words is "two hundred forty-three billion, four hundred twenty-three million, two hundred twenty-five thousand, one hundred".