243331043 has 8 divisors (see below), whose sum is σ = 258010320. Its totient is φ = 228839040.

The previous prime is 243330991. The next prime is 243331087. The reversal of 243331043 is 340133342.

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

It is not a de Polignac number, because 243331043 - 2¹² = 243326947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243331093) 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, 44138 + ... + 49343.

It is an arithmetic number, because the mean of its divisors is an integer number (32251290).

Almost surely, 2^243331043 is an apocalyptic number.

243331043 is a deficient number, since it is larger than the sum of its proper divisors (14679277).

243331043 is a wasteful number, since it uses less digits than its factorization.

243331043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93637.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 243331043 is about 15599.0718634155. The cubic root of 243331043 is about 624.3083916603.

Adding to 243331043 its reverse (340133342), we get a palindrome (583464385).

The spelling of 243331043 in words is "two hundred forty-three million, three hundred thirty-one thousand, forty-three".