243040234254 has 8 divisors (see below), whose sum is σ = 486080468520. Its totient is φ = 81013411416.

The previous prime is 243040234237. The next prime is 243040234271. The reversal of 243040234254 is 452432040342.

243040234254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (243040234237) and next prime (243040234271).

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

243040234254 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20253352849 + ... + 20253352860.

It is an arithmetic number, because the mean of its divisors is an integer number (60760058565).

Almost surely, 2^243040234254 is an apocalyptic number.

243040234254 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.

243040234254 is a wasteful number, since it uses less digits than its factorization.

243040234254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40506705714.

The product of its (nonzero) digits is 92160, while the sum is 33.

Adding to 243040234254 its reverse (452432040342), we get a palindrome (695472274596).

The spelling of 243040234254 in words is "two hundred forty-three billion, forty million, two hundred thirty-four thousand, two hundred fifty-four".