243043041 has 8 divisors (see below), whose sum is σ = 341113120. Its totient is φ = 153500832.

The previous prime is 243043019. The next prime is 243043043. The reversal of 243043041 is 140340342.

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

It is not a de Polignac number, because 243043041 - 2²² = 238848737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243042999 and 243043017.

It is not an unprimeable number, because it can be changed into a prime (243043043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2131900 + ... + 2132013.

It is an arithmetic number, because the mean of its divisors is an integer number (42639140).

Almost surely, 2^243043041 is an apocalyptic number.

It is an amenable number.

243043041 is a deficient number, since it is larger than the sum of its proper divisors (98070079).

243043041 is a wasteful number, since it uses less digits than its factorization.

243043041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4263935.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 243043041 is about 15589.8377477125. The cubic root of 243043041 is about 624.0619879042.

Adding to 243043041 its reverse (140340342), we get a palindrome (383383383).

The spelling of 243043041 in words is "two hundred forty-three million, forty-three thousand, forty-one".