243343232132 has 192 divisors, whose sum is σ = 582321858048. Its totient is φ = 86632128000.

The previous prime is 243343232117. The next prime is 243343232137. The reversal of 243343232132 is 231232343342.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (243343232137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48930398 + ... + 48935370.

It is an arithmetic number, because the mean of its divisors is an integer number (3032926344).

Almost surely, 2^243343232132 is an apocalyptic number.

243343232132 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 243343232132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291160929024).

243343232132 is an abundant number, since it is smaller than the sum of its proper divisors (338978625916).

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

243343232132 is a wasteful number, since it uses less digits than its factorization.

243343232132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131 (or 5107 counting only the distinct ones).

The product of its digits is 62208, while the sum is 32.

Adding to 243343232132 its reverse (231232343342), we get a palindrome (474575575474).

The spelling of 243343232132 in words is "two hundred forty-three billion, three hundred forty-three million, two hundred thirty-two thousand, one hundred thirty-two".