243312342454 has 16 divisors (see below), whose sum is σ = 380898026208. Its totient is φ = 116348036992.

The previous prime is 243312342439. The next prime is 243312342463. The reversal of 243312342454 is 454243213342.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134857 + ... + 710500.

It is an arithmetic number, because the mean of its divisors is an integer number (23806126638).

Almost surely, 2^243312342454 is an apocalyptic number.

243312342454 is a deficient number, since it is larger than the sum of its proper divisors (137585683754).

243312342454 is a wasteful number, since it uses less digits than its factorization.

243312342454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851639.

The product of its digits is 276480, while the sum is 37.

Adding to 243312342454 its reverse (454243213342), we get a palindrome (697555555796).

The spelling of 243312342454 in words is "two hundred forty-three billion, three hundred twelve million, three hundred forty-two thousand, four hundred fifty-four".