243423552 has 28 divisors (see below), whose sum is σ = 644058656. Its totient is φ = 81141120.

The previous prime is 243423547. The next prime is 243423577. The reversal of 243423552 is 255324342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633724 + ... + 634107.

Almost surely, 2^243423552 is an apocalyptic number.

It is an amenable number.

243423552 is an abundant number, since it is smaller than the sum of its proper divisors (400635104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243423552 is a wasteful number, since it uses less digits than its factorization.

243423552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267846 (or 1267836 counting only the distinct ones).

The product of its digits is 28800, while the sum is 30.

The square root of 243423552 is about 15602.0367901117. The cubic root of 243423552 is about 624.3874976481.

Adding to 243423552 its reverse (255324342), we get a palindrome (498747894).

The spelling of 243423552 in words is "two hundred forty-three million, four hundred twenty-three thousand, five hundred fifty-two".