243120032304 has 20 divisors (see below), whose sum is σ = 628060083576. Its totient is φ = 81040010752.

The previous prime is 243120032303. The next prime is 243120032317. The reversal of 243120032304 is 403230021342.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (243120032303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2532500289 + ... + 2532500384.

Almost surely, 2^243120032304 is an apocalyptic number.

243120032304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243120032304 is an abundant number, since it is smaller than the sum of its proper divisors (384940051272).

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

243120032304 is a wasteful number, since it uses less digits than its factorization.

243120032304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065000684 (or 5065000678 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 243120032304 its reverse (403230021342), we get a palindrome (646350053646).

The spelling of 243120032304 in words is "two hundred forty-three billion, one hundred twenty million, thirty-two thousand, three hundred four".