243243331204 has 12 divisors (see below), whose sum is σ = 440354306700. Its totient is φ = 117427815008.

The previous prime is 243243331159. The next prime is 243243331249. The reversal of 243243331204 is 402133342342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (243243331159) and next prime (243243331249).

It can be written as a sum of positive squares in 2 ways, for example, as 181818665604 + 61424665600 = 426402^2 + 247840^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048462519 + ... + 1048462750.

It is an arithmetic number, because the mean of its divisors is an integer number (36696192225).

Almost surely, 2^243243331204 is an apocalyptic number.

It is an amenable number.

243243331204 is a deficient number, since it is larger than the sum of its proper divisors (197110975496).

243243331204 is a wasteful number, since it uses less digits than its factorization.

243243331204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096925302 (or 2096925300 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 243243331204 its reverse (402133342342), we get a palindrome (645376673546).

The spelling of 243243331204 in words is "two hundred forty-three billion, two hundred forty-three million, three hundred thirty-one thousand, two hundred four".