243205200344 has 16 divisors (see below), whose sum is σ = 456015217200. Its totient is φ = 121601142432.

The previous prime is 243205200331. The next prime is 243205200353. The reversal of 243205200344 is 443002502342.

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 3 ways as a sum of consecutive naturals, for example, 916637 + ... + 1151795.

It is an arithmetic number, because the mean of its divisors is an integer number (28500951075).

Almost surely, 2^243205200344 is an apocalyptic number.

It is an amenable number.

243205200344 is a deficient number, since it is larger than the sum of its proper divisors (212810016856).

243205200344 is a wasteful number, since it uses less digits than its factorization.

243205200344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364442 (or 364438 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 243205200344 its reverse (443002502342), we get a palindrome (686207702686).

The spelling of 243205200344 in words is "two hundred forty-three billion, two hundred five million, two hundred thousand, three hundred forty-four".