243421110402 has 8 divisors (see below), whose sum is σ = 486842220816. Its totient is φ = 81140370132.

The previous prime is 243421110389. The next prime is 243421110421. The reversal of 243421110402 is 204011124342.

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

243421110402 is an admirable number.

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, 20285092528 + ... + 20285092539.

It is an arithmetic number, because the mean of its divisors is an integer number (60855277602).

Almost surely, 2^243421110402 is an apocalyptic number.

243421110402 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.

243421110402 is a wasteful number, since it uses less digits than its factorization.

243421110402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40570185072.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 243421110402 its reverse (204011124342), we get a palindrome (447432234744).

The spelling of 243421110402 in words is "two hundred forty-three billion, four hundred twenty-one million, one hundred ten thousand, four hundred two".