243100104 has 64 divisors (see below), whose sum is σ = 656510400. Its totient is φ = 74570496.

The previous prime is 243100103. The next prime is 243100141. The reversal of 243100104 is 401001342.

It is not an unprimeable number, because it can be changed into a prime (243100103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120367 + ... + 122369.

It is an arithmetic number, because the mean of its divisors is an integer number (10257975).

Almost surely, 2^243100104 is an apocalyptic number.

243100104 is a gapful number since it is divisible by the number (24) 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 243100104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328255200).

243100104 is an abundant number, since it is smaller than the sum of its proper divisors (413410296).

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

243100104 is a wasteful number, since it uses less digits than its factorization.

243100104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414 (or 2410 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 243100104 is about 15591.6677748084. The cubic root of 243100104 is about 624.1108243332.

Adding to 243100104 its reverse (401001342), we get a palindrome (644101446).

The spelling of 243100104 in words is "two hundred forty-three million, one hundred thousand, one hundred four".