243204311004 has 24 divisors (see below), whose sum is σ = 567615283200. Its totient is φ = 81048309744.

The previous prime is 243204310961. The next prime is 243204311033. The reversal of 243204311004 is 400113402342.

It is a congruent number.

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, 2423004 + ... + 2521379.

It is an arithmetic number, because the mean of its divisors is an integer number (23650636800).

Almost surely, 2^243204311004 is an apocalyptic number.

It is an amenable number.

243204311004 is an abundant number, since it is smaller than the sum of its proper divisors (324410972196).

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

243204311004 is a wasteful number, since it uses less digits than its factorization.

243204311004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4948489 (or 4948487 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 243204311004 its reverse (400113402342), we get a palindrome (643317713346).

The spelling of 243204311004 in words is "two hundred forty-three billion, two hundred four million, three hundred eleven thousand, four".