243023034 has 24 divisors (see below), whose sum is σ = 512978400. Its totient is φ = 76743432.

The previous prime is 243023029. The next prime is 243023063. The reversal of 243023034 is 430320342.

It is a self number, because there is not a number n which added to its sum of digits gives 243023034.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53934 + ... + 58265.

It is an arithmetic number, because the mean of its divisors is an integer number (21374100).

Almost surely, 2^243023034 is an apocalyptic number.

243023034 is an abundant number, since it is smaller than the sum of its proper divisors (269955366).

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

243023034 is a wasteful number, since it uses less digits than its factorization.

243023034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112242 (or 112223 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 243023034 is about 15589.1960665071. The cubic root of 243023034 is about 624.0448634328.

Adding to 243023034 its reverse (430320342), we get a palindrome (673343376).

The spelling of 243023034 in words is "two hundred forty-three million, twenty-three thousand, thirty-four".