243234533982 has 128 divisors (see below), whose sum is σ = 566237952000. Its totient is φ = 68879134080.

The previous prime is 243234533957. The next prime is 243234534007. The reversal of 243234533982 is 289335432342.

243234533982 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (243234533957) and next prime (243234534007).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86282569 + ... + 86285387.

It is an arithmetic number, because the mean of its divisors is an integer number (4423734000).

Almost surely, 2^243234533982 is an apocalyptic number.

243234533982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 243234533982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283118976000).

243234533982 is an abundant number, since it is smaller than the sum of its proper divisors (323003418018).

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

243234533982 is a wasteful number, since it uses less digits than its factorization.

243234533982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766.

The product of its digits is 3732480, while the sum is 48.

The spelling of 243234533982 in words is "two hundred forty-three billion, two hundred thirty-four million, five hundred thirty-three thousand, nine hundred eighty-two".