243020123304 has 32 divisors (see below), whose sum is σ = 694343209920. Its totient is φ = 69434320896.

The previous prime is 243020123251. The next prime is 243020123363. The reversal of 243020123304 is 403321020342.

243020123304 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

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, 723274009 + ... + 723274344.

It is an arithmetic number, because the mean of its divisors is an integer number (21698225310).

Almost surely, 2^243020123304 is an apocalyptic number.

243020123304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243020123304 is an abundant number, since it is smaller than the sum of its proper divisors (451323086616).

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

243020123304 is a wasteful number, since it uses less digits than its factorization.

243020123304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446548369 (or 1446548365 counting only the distinct ones).

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

Adding to 243020123304 its reverse (403321020342), we get a palindrome (646341143646).

The spelling of 243020123304 in words is "two hundred forty-three billion, twenty million, one hundred twenty-three thousand, three hundred four".