243642363 has 8 divisors (see below), whose sum is σ = 325022208. Its totient is φ = 162345384.

The previous prime is 243642353. The next prime is 243642379. The reversal of 243642363 is 363246342.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243642363 - 2⁸ = 243642107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243642323) 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 7 ways as a sum of consecutive naturals, for example, 13495 + ... + 25872.

It is an arithmetic number, because the mean of its divisors is an integer number (40627776).

Almost surely, 2^243642363 is an apocalyptic number.

243642363 is a deficient number, since it is larger than the sum of its proper divisors (81379845).

243642363 is a wasteful number, since it uses less digits than its factorization.

243642363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41433.

The product of its digits is 62208, while the sum is 33.

The square root of 243642363 is about 15609.0474725398. The cubic root of 243642363 is about 624.5745268485.

The spelling of 243642363 in words is "two hundred forty-three million, six hundred forty-two thousand, three hundred sixty-three".