243400100300 has 72 divisors (see below), whose sum is σ = 604063108320. Its totient is φ = 83391897600.

The previous prime is 243400100249. The next prime is 243400100327. The reversal of 243400100300 is 3001004342.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 862910 + ... + 1109690.

Almost surely, 2^243400100300 is an apocalyptic number.

243400100300 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 243400100300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302031554160).

243400100300 is an abundant number, since it is smaller than the sum of its proper divisors (360663008020).

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

243400100300 is a wasteful number, since it uses less digits than its factorization.

243400100300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248211 (or 248204 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 243400100300 its reverse (3001004342), we get a palindrome (246401104642).

The spelling of 243400100300 in words is "two hundred forty-three billion, four hundred million, one hundred thousand, three hundred".