243348803 has 2 divisors, whose sum is σ = 243348804. Its totient is φ = 243348802.

The previous prime is 243348797. The next prime is 243348821. The reversal of 243348803 is 308843342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243348803 - 2¹² = 243344707 is a prime.

It is not a weakly prime, because it can be changed into another prime (243348403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121674401 + 121674402.

It is an arithmetic number, because the mean of its divisors is an integer number (121674402).

Almost surely, 2^243348803 is an apocalyptic number.

243348803 is a deficient number, since it is larger than the sum of its proper divisors (1).

243348803 is an equidigital number, since it uses as much as digits as its factorization.

243348803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 243348803 is about 15599.6411176668. The cubic root of 243348803 is about 624.3235800872.

The spelling of 243348803 in words is "two hundred forty-three million, three hundred forty-eight thousand, eight hundred three".