243231672 has 16 divisors (see below), whose sum is σ = 608079240. Its totient is φ = 81077216.

The previous prime is 243231629. The next prime is 243231679. The reversal of 243231672 is 276132342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243231679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5067303 + ... + 5067350.

Almost surely, 2^243231672 is an apocalyptic number.

It is an amenable number.

243231672 is an abundant number, since it is smaller than the sum of its proper divisors (364847568).

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

243231672 is a wasteful number, since it uses less digits than its factorization.

243231672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10134662 (or 10134658 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 243231672 is about 15595.8863807095. The cubic root of 243231672 is about 624.2233955231.

The spelling of 243231672 in words is "two hundred forty-three million, two hundred thirty-one thousand, six hundred seventy-two".