243103432 has 128 divisors (see below), whose sum is σ = 563915520. Its totient is φ = 96768000.

The previous prime is 243103387. The next prime is 243103459. The reversal of 243103432 is 234301342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3330148 + ... + 3330220.

It is an arithmetic number, because the mean of its divisors is an integer number (4405590).

Almost surely, 2^243103432 is an apocalyptic number.

243103432 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 243103432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281957760).

243103432 is an abundant number, since it is smaller than the sum of its proper divisors (320812088).

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

243103432 is a wasteful number, since it uses less digits than its factorization.

243103432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 243103432 is about 15591.7744981128. The cubic root of 243103432 is about 624.1136723113.

Adding to 243103432 its reverse (234301342), we get a palindrome (477404774).

The spelling of 243103432 in words is "two hundred forty-three million, one hundred three thousand, four hundred thirty-two".