243353354 has 4 divisors (see below), whose sum is σ = 365030034. Its totient is φ = 121676676.

The previous prime is 243353321. The next prime is 243353371. The reversal of 243353354 is 453353342.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 181306225 + 62047129 = 13465^2 + 7877^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 243353354.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60838337 + ... + 60838340.

Almost surely, 2^243353354 is an apocalyptic number.

243353354 is a deficient number, since it is larger than the sum of its proper divisors (121676680).

243353354 is a wasteful number, since it uses less digits than its factorization.

243353354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121676679.

The product of its digits is 64800, while the sum is 32.

The square root of 243353354 is about 15599.7869857252. The cubic root of 243353354 is about 624.3274720026.

The spelling of 243353354 in words is "two hundred forty-three million, three hundred fifty-three thousand, three hundred fifty-four".