243346126 has 8 divisors (see below), whose sum is σ = 386490960. Its totient is φ = 114515808.

The previous prime is 243346121. The next prime is 243346189. The reversal of 243346126 is 621643342.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243346121) 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 in 3 ways as a sum of consecutive naturals, for example, 3578586 + ... + 3578653.

It is an arithmetic number, because the mean of its divisors is an integer number (48311370).

Almost surely, 2^243346126 is an apocalyptic number.

243346126 is a deficient number, since it is larger than the sum of its proper divisors (143144834).

243346126 is a wasteful number, since it uses less digits than its factorization.

243346126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7157258.

The product of its digits is 20736, while the sum is 31.

The square root of 243346126 is about 15599.5553141748. Note that the first 3 decimals coincide. The cubic root of 243346126 is about 624.3212907528.

Adding to 243346126 its reverse (621643342), we get a palindrome (864989468).

The spelling of 243346126 in words is "two hundred forty-three million, three hundred forty-six thousand, one hundred twenty-six".