243013004 has 12 divisors (see below), whose sum is σ = 457986144. Its totient is φ = 112159824.

The previous prime is 243012989. The next prime is 243013013. The reversal of 243013004 is 400310342.

243013004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243013004² = 118110640226208032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2336612 + ... + 2336715.

It is an arithmetic number, because the mean of its divisors is an integer number (38165512).

Almost surely, 2^243013004 is an apocalyptic number.

It is an amenable number.

243013004 is a deficient number, since it is larger than the sum of its proper divisors (214973140).

243013004 is a wasteful number, since it uses less digits than its factorization.

243013004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673344 (or 4673342 counting only the distinct ones).

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

The square root of 243013004 is about 15588.8743660343. The cubic root of 243013004 is about 624.0362781615.

Adding to 243013004 its reverse (400310342), we get a palindrome (643323346).

The spelling of 243013004 in words is "two hundred forty-three million, thirteen thousand, four".