243423612 has 36 divisors (see below), whose sum is σ = 651517776. Its totient is φ = 76368000.

The previous prime is 243423599. The next prime is 243423619. The reversal of 243423612 is 216324342.

243423612 is a `hidden beast` number, since 2 + 4 + 3 + 42 + 3 + 612 = 666.

243423612 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243423619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198264 + ... + 199487.

It is an arithmetic number, because the mean of its divisors is an integer number (18097716).

Almost surely, 2^243423612 is an apocalyptic number.

It is an amenable number.

243423612 is an abundant number, since it is smaller than the sum of its proper divisors (408094164).

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

243423612 is a wasteful number, since it uses less digits than its factorization.

243423612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397778 (or 397773 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 243423612 is about 15602.0387129375. The cubic root of 243423612 is about 624.3875489486.

Adding to 243423612 its reverse (216324342), we get a palindrome (459747954).

The spelling of 243423612 in words is "two hundred forty-three million, four hundred twenty-three thousand, six hundred twelve".