243402310434 has 8 divisors (see below), whose sum is σ = 486804620880. Its totient is φ = 81134103476.

The previous prime is 243402310429. The next prime is 243402310441. The reversal of 243402310434 is 434013204342.

It is a happy number.

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

243402310434 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20283525864 + ... + 20283525875.

It is an arithmetic number, because the mean of its divisors is an integer number (60850577610).

Almost surely, 2^243402310434 is an apocalyptic number.

243402310434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

243402310434 is a wasteful number, since it uses less digits than its factorization.

243402310434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40567051744.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 243402310434 its reverse (434013204342), we get a palindrome (677415514776).

The spelling of 243402310434 in words is "two hundred forty-three billion, four hundred two million, three hundred ten thousand, four hundred thirty-four".