243200243 has 32 divisors (see below), whose sum is σ = 293388480. Its totient is φ = 198696960.

The previous prime is 243200219. The next prime is 243200261. The reversal of 243200243 is 342002342.

It is not a de Polignac number, because 243200243 - 2⁶ = 243200179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243200203) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1234421 + ... + 1234617.

It is an arithmetic number, because the mean of its divisors is an integer number (9168390).

Almost surely, 2^243200243 is an apocalyptic number.

243200243 is a deficient number, since it is larger than the sum of its proper divisors (50188237).

243200243 is a wasteful number, since it uses less digits than its factorization.

243200243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 243200243 is about 15594.8787427155. The cubic root of 243200243 is about 624.1965081774.

Adding to 243200243 its reverse (342002342), we get a palindrome (585202585).

The spelling of 243200243 in words is "two hundred forty-three million, two hundred thousand, two hundred forty-three".