243323116 has 24 divisors (see below), whose sum is σ = 430441200. Its totient is φ = 120347712.

The previous prime is 243323077. The next prime is 243323131. The reversal of 243323116 is 611323342.

It is a super-2 number, since 2×243323116² = 118412277559898912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156310 + ... + 157858.

It is an arithmetic number, because the mean of its divisors is an integer number (17935050).

Almost surely, 2^243323116 is an apocalyptic number.

It is an amenable number.

243323116 is a deficient number, since it is larger than the sum of its proper divisors (187118084).

243323116 is a wasteful number, since it uses less digits than its factorization.

243323116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953 (or 1951 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 243323116 is about 15598.8177757162. The cubic root of 243323116 is about 624.3016122179.

Adding to 243323116 its reverse (611323342), we get a palindrome (854646458).

The spelling of 243323116 in words is "two hundred forty-three million, three hundred twenty-three thousand, one hundred sixteen".