243312443454 has 8 divisors (see below), whose sum is σ = 486624886920. Its totient is φ = 81104147816.

The previous prime is 243312443443. The next prime is 243312443471. The reversal of 243312443454 is 454344213342.

243312443454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

243312443454 is an admirable number.

It is a congruent 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, 20276036949 + ... + 20276036960.

It is an arithmetic number, because the mean of its divisors is an integer number (60828110865).

Almost surely, 2^243312443454 is an apocalyptic number.

243312443454 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.

243312443454 is a wasteful number, since it uses less digits than its factorization.

243312443454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40552073914.

The product of its digits is 552960, while the sum is 39.

Adding to 243312443454 its reverse (454344213342), we get a palindrome (697656656796).

The spelling of 243312443454 in words is "two hundred forty-three billion, three hundred twelve million, four hundred forty-three thousand, four hundred fifty-four".