243043412 has 6 divisors (see below), whose sum is σ = 425325978. Its totient is φ = 121521704.

The previous prime is 243043399. The next prime is 243043429. The reversal of 243043412 is 214340342.

243043412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 168324676 + 74718736 = 12974^2 + 8644^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30380423 + ... + 30380430.

It is an arithmetic number, because the mean of its divisors is an integer number (70887663).

Almost surely, 2^243043412 is an apocalyptic number.

It is an amenable number.

243043412 is a deficient number, since it is larger than the sum of its proper divisors (182282566).

243043412 is a wasteful number, since it uses less digits than its factorization.

243043412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60760857 (or 60760855 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 243043412 is about 15589.8496464847. The cubic root of 243043412 is about 624.0623054432.

Adding to 243043412 its reverse (214340342), we get a palindrome (457383754).

The spelling of 243043412 in words is "two hundred forty-three million, forty-three thousand, four hundred twelve".