243443304102 has 16 divisors (see below), whose sum is σ = 487497516912. Its totient is φ = 81045949920.

The previous prime is 243443304077. The next prime is 243443304107. The reversal of 243443304102 is 201403344342.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 243443304102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243443304107) 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, 25449349 + ... + 25458912.

It is an arithmetic number, because the mean of its divisors is an integer number (30468594807).

Almost surely, 2^243443304102 is an apocalyptic number.

243443304102 is an abundant number, since it is smaller than the sum of its proper divisors (244054212810).

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

243443304102 is a wasteful number, since it uses less digits than its factorization.

243443304102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50909063.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 243443304102 its reverse (201403344342), we get a palindrome (444846648444).

The spelling of 243443304102 in words is "two hundred forty-three billion, four hundred forty-three million, three hundred four thousand, one hundred two".