243423301204 has 12 divisors (see below), whose sum is σ = 428197984564. Its totient is φ = 121081019904.

The previous prime is 243423301183. The next prime is 243423301207. The reversal of 243423301204 is 402103324342.

It can be written as a sum of positive squares in 2 ways, for example, as 175980250000 + 67443051204 = 419500^2 + 259698^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243423301207) 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, 157656807 + ... + 157658350.

Almost surely, 2^243423301204 is an apocalyptic number.

It is an amenable number.

243423301204 is a deficient number, since it is larger than the sum of its proper divisors (184774683360).

243423301204 is a wasteful number, since it uses less digits than its factorization.

243423301204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315315354 (or 315315352 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 243423301204 its reverse (402103324342), we get a palindrome (645526625546).

The spelling of 243423301204 in words is "two hundred forty-three billion, four hundred twenty-three million, three hundred one thousand, two hundred four".