243353371 has 2 divisors, whose sum is σ = 243353372. Its totient is φ = 243353370.

The previous prime is 243353321. The next prime is 243353377. The reversal of 243353371 is 173353342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243353371 - 2¹⁵ = 243320603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (243353377) by changing a digit.

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 as a sum of consecutive naturals, namely, 121676685 + 121676686.

It is an arithmetic number, because the mean of its divisors is an integer number (121676686).

Almost surely, 2^243353371 is an apocalyptic number.

243353371 is a deficient number, since it is larger than the sum of its proper divisors (1).

243353371 is an equidigital number, since it uses as much as digits as its factorization.

243353371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 31.

The square root of 243353371 is about 15599.7875306044. The cubic root of 243353371 is about 624.3274865406.

The spelling of 243353371 in words is "two hundred forty-three million, three hundred fifty-three thousand, three hundred seventy-one".