243404304254 has 4 divisors (see below), whose sum is σ = 365106456384. Its totient is φ = 121702152126.

The previous prime is 243404304223. The next prime is 243404304277. The reversal of 243404304254 is 452403404342.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60851076062 + ... + 60851076065.

It is an arithmetic number, because the mean of its divisors is an integer number (91276614096).

Almost surely, 2^243404304254 is an apocalyptic number.

243404304254 is a deficient number, since it is larger than the sum of its proper divisors (121702152130).

243404304254 is a wasteful number, since it uses less digits than its factorization.

243404304254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121702152129.

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 243404304254 its reverse (452403404342), we get a palindrome (695807708596).

The spelling of 243404304254 in words is "two hundred forty-three billion, four hundred four million, three hundred four thousand, two hundred fifty-four".