243623732 has 12 divisors (see below), whose sum is σ = 465099936. Its totient is φ = 110738040.

The previous prime is 243623717. The next prime is 243623773. The reversal of 243623732 is 237326342.

243623732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2768408 + ... + 2768495.

It is an arithmetic number, because the mean of its divisors is an integer number (38758328).

Almost surely, 2^243623732 is an apocalyptic number.

243623732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243623732 is a deficient number, since it is larger than the sum of its proper divisors (221476204).

243623732 is a wasteful number, since it uses less digits than its factorization.

243623732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536918 (or 5536916 counting only the distinct ones).

The product of its digits is 36288, while the sum is 32.

The square root of 243623732 is about 15608.4506598189. The cubic root of 243623732 is about 624.5586063213.

The spelling of 243623732 in words is "two hundred forty-three million, six hundred twenty-three thousand, seven hundred thirty-two".