243348236 has 12 divisors (see below), whose sum is σ = 426832560. Its totient is φ = 121396080.

The previous prime is 243348197. The next prime is 243348241. The reversal of 243348236 is 632843342.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 243348196 and 243348205.

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 in 3 ways as a sum of consecutive naturals, for example, 67535 + ... + 71046.

It is an arithmetic number, because the mean of its divisors is an integer number (35569380).

Almost surely, 2^243348236 is an apocalyptic number.

It is an amenable number.

243348236 is a deficient number, since it is larger than the sum of its proper divisors (183484324).

243348236 is a wasteful number, since it uses less digits than its factorization.

243348236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139024 (or 139022 counting only the distinct ones).

The product of its digits is 82944, while the sum is 35.

The square root of 243348236 is about 15599.6229441612. The cubic root of 243348236 is about 624.3230951978.

The spelling of 243348236 in words is "two hundred forty-three million, three hundred forty-eight thousand, two hundred thirty-six".