204240424233243 has 8 divisors (see below), whose sum is σ = 272326088801088. Its totient is φ = 136157521243784.

The previous prime is 204240424233211. The next prime is 204240424233271. The reversal of 204240424233243 is 342332424042402.

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

It is a cyclic number.

It is not a de Polignac number, because 204240424233243 - 2⁵ = 204240424233211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204240424233203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690222021 + ... + 690517862.

It is an arithmetic number, because the mean of its divisors is an integer number (34040761100136).

Almost surely, 2^{204240424233243} is an apocalyptic number.

204240424233243 is a deficient number, since it is larger than the sum of its proper divisors (68085664567845).

204240424233243 is a wasteful number, since it uses less digits than its factorization.

204240424233243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380789193.

The product of its (nonzero) digits is 884736, while the sum is 39.

Adding to 204240424233243 its reverse (342332424042402), we get a palindrome (546572848275645).

The spelling of 204240424233243 in words is "two hundred four trillion, two hundred forty billion, four hundred twenty-four million, two hundred thirty-three thousand, two hundred forty-three".