243403124 has 6 divisors (see below), whose sum is σ = 425955474. Its totient is φ = 121701560.

The previous prime is 243403099. The next prime is 243403141. The reversal of 243403124 is 421304342.

It can be written as a sum of positive squares in only one way, i.e., 132480100 + 110923024 = 11510^2 + 10532^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 243403124.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 30425387 + ... + 30425394.

It is an arithmetic number, because the mean of its divisors is an integer number (70992579).

Almost surely, 2^243403124 is an apocalyptic number.

It is an amenable number.

243403124 is a deficient number, since it is larger than the sum of its proper divisors (182552350).

243403124 is a wasteful number, since it uses less digits than its factorization.

243403124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60850785 (or 60850783 counting only the distinct ones).

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

The square root of 243403124 is about 15601.3821182612. The cubic root of 243403124 is about 624.3700310493.

Adding to 243403124 its reverse (421304342), we get a palindrome (664707466).

The spelling of 243403124 in words is "two hundred forty-three million, four hundred three thousand, one hundred twenty-four".