243223626200344 has 128 divisors (see below), whose sum is σ = 505680264714240. Its totient is φ = 109195092744192.

The previous prime is 243223626200341. The next prime is 243223626200381. The reversal of 243223626200344 is 443002626322342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 243223626200344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243223626200341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67358019 + ... + 70877005.

It is an arithmetic number, because the mean of its divisors is an integer number (3950627068080).

Almost surely, 2^{243223626200344} is an apocalyptic number.

It is an amenable number.

243223626200344 is an abundant number, since it is smaller than the sum of its proper divisors (262456638513896).

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

243223626200344 is a wasteful number, since it uses less digits than its factorization.

243223626200344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519329 (or 3519325 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 43.

The spelling of 243223626200344 in words is "two hundred forty-three trillion, two hundred twenty-three billion, six hundred twenty-six million, two hundred thousand, three hundred forty-four".