243430330402 has 8 divisors (see below), whose sum is σ = 417309137856. Its totient is φ = 104327284452.

The previous prime is 243430330397. The next prime is 243430330421. The reversal of 243430330402 is 204033034342.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 8693940358 + ... + 8693940385.

It is an arithmetic number, because the mean of its divisors is an integer number (52163642232).

Almost surely, 2^243430330402 is an apocalyptic number.

243430330402 is a deficient number, since it is larger than the sum of its proper divisors (173878807454).

243430330402 is a wasteful number, since it uses less digits than its factorization.

243430330402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17387880752.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 243430330402 its reverse (204033034342), we get a palindrome (447463364744).

The spelling of 243430330402 in words is "two hundred forty-three billion, four hundred thirty million, three hundred thirty thousand, four hundred two".