243040023420404 has 144 divisors (see below), whose sum is σ = 495155242702848. Its totient is φ = 102241101457152.

The previous prime is 243040023420269. The next prime is 243040023420443. The reversal of 243040023420404 is 404024320040342.

243040023420404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40218435407 + ... + 40218441449.

Almost surely, 2^{243040023420404} is an apocalyptic number.

It is an amenable number.

243040023420404 is an abundant number, since it is smaller than the sum of its proper divisors (252115219282444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243040023420404 is a wasteful number, since it uses less digits than its factorization.

243040023420404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7174 (or 7035 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 243040023420404 its reverse (404024320040342), we get a palindrome (647064343460746).

The spelling of 243040023420404 in words is "two hundred forty-three trillion, forty billion, twenty-three million, four hundred twenty thousand, four hundred four".