243453242032 has 720 divisors, whose sum is σ = 697185377280. Its totient is φ = 79899955200.

The previous prime is 243453242017. The next prime is 243453242057. The reversal of 243453242032 is 230242354342.

243453242032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3081686569 + ... + 3081686647.

It is an arithmetic number, because the mean of its divisors is an integer number (968313024).

Almost surely, 2^243453242032 is an apocalyptic number.

243453242032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243453242032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348592688640).

243453242032 is an abundant number, since it is smaller than the sum of its proper divisors (453732135248).

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

243453242032 is a wasteful number, since it uses less digits than its factorization.

243453242032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 34.

Adding to 243453242032 its reverse (230242354342), we get a palindrome (473695596374).

The spelling of 243453242032 in words is "two hundred forty-three billion, four hundred fifty-three million, two hundred forty-two thousand, thirty-two".