243023012 has 12 divisors (see below), whose sum is σ = 439009536. Its totient is φ = 117591720.

The previous prime is 243022957. The next prime is 243023017. The reversal of 243023012 is 210320342.

It is not an unprimeable number, because it can be changed into a prime (243023017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979808 + ... + 980055.

It is an arithmetic number, because the mean of its divisors is an integer number (36584128).

Almost surely, 2^243023012 is an apocalyptic number.

It is an amenable number.

243023012 is a deficient number, since it is larger than the sum of its proper divisors (195986524).

243023012 is a wasteful number, since it uses less digits than its factorization.

243023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959898 (or 1959896 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 243023012 is about 15589.1953608902. The cubic root of 243023012 is about 624.0448446020.

Adding to 243023012 its reverse (210320342), we get a palindrome (453343354).

The spelling of 243023012 in words is "two hundred forty-three million, twenty-three thousand, twelve".