243202303120 has 40 divisors (see below), whose sum is σ = 646223264064. Its totient is φ = 83383646592.

The previous prime is 243202303111. The next prime is 243202303133. The reversal of 243202303120 is 21303202342.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 243202303091 and 243202303100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217144354 + ... + 217145473.

Almost surely, 2^243202303120 is an apocalyptic number.

243202303120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243202303120 is an abundant number, since it is smaller than the sum of its proper divisors (403020960944).

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

243202303120 is a wasteful number, since it uses less digits than its factorization.

243202303120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434289847 (or 434289841 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 243202303120 its reverse (21303202342), we get a palindrome (264505505462).

The spelling of 243202303120 in words is "two hundred forty-three billion, two hundred two million, three hundred three thousand, one hundred twenty".