243200000 has 156 divisors (see below), whose sum is σ = 639880920. Its totient is φ = 92160000.

The previous prime is 243199973. The next prime is 243200039. The reversal of 243200000 is 2342.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12799991 + ... + 12800009.

Almost surely, 2^243200000 is an apocalyptic number.

243200000 is a gapful number since it is divisible by the number (20) 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 243200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319940460).

243200000 is an abundant number, since it is smaller than the sum of its proper divisors (396680920).

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

243200000 is an frugal number, since it uses more digits than its factorization.

243200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 243200000 is about 15594.8709516943. The cubic root of 243200000 is about 624.1963002832.

Adding to 243200000 its reverse (2342), we get a palindrome (243202342).

The spelling of 243200000 in words is "two hundred forty-three million, two hundred thousand".