243324053 has 24 divisors (see below), whose sum is σ = 299384064. Its totient is φ = 196862400.

The previous prime is 243324047. The next prime is 243324073. The reversal of 243324053 is 350423342.

It is not a de Polignac number, because 243324053 - 2⁶ = 243323989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243324073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60326 + ... + 64232.

It is an arithmetic number, because the mean of its divisors is an integer number (12474336).

Almost surely, 2^243324053 is an apocalyptic number.

It is an amenable number.

243324053 is a deficient number, since it is larger than the sum of its proper divisors (56060011).

243324053 is a wasteful number, since it uses less digits than its factorization.

243324053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993 (or 3986 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 243324053 is about 15598.8478100147. The cubic root of 243324053 is about 624.3024135801.

Adding to 243324053 its reverse (350423342), we get a palindrome (593747395).

The spelling of 243324053 in words is "two hundred forty-three million, three hundred twenty-four thousand, fifty-three".