243123332 has 6 divisors (see below), whose sum is σ = 425465838. Its totient is φ = 121561664.

The previous prime is 243123329. The next prime is 243123343. The reversal of 243123332 is 233321342.

243123332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 128504896 + 114618436 = 11336^2 + 10706^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243123298 and 243123307.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30390413 + ... + 30390420.

It is an arithmetic number, because the mean of its divisors is an integer number (70910973).

Almost surely, 2^243123332 is an apocalyptic number.

It is an amenable number.

243123332 is a deficient number, since it is larger than the sum of its proper divisors (182342506).

243123332 is a wasteful number, since it uses less digits than its factorization.

243123332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60780837 (or 60780835 counting only the distinct ones).

The product of its digits is 2592, while the sum is 23.

The square root of 243123332 is about 15592.4126420513. The cubic root of 243123332 is about 624.1307014459.

Adding to 243123332 its reverse (233321342), we get a palindrome (476444674).

The spelling of 243123332 in words is "two hundred forty-three million, one hundred twenty-three thousand, three hundred thirty-two".