243023144330 has 16 divisors (see below), whose sum is σ = 449264408040. Its totient is φ = 94581980352.

The previous prime is 243023144327. The next prime is 243023144363. The reversal of 243023144330 is 33441320342.

243023144330 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 4 ways, for example, as 240249963409 + 2773180921 = 490153^2 + 52661^2 .

It is a super-2 number, since 2×243023144330² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243023144293 and 243023144302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328409285 + ... + 328410024.

Almost surely, 2^243023144330 is an apocalyptic number.

243023144330 is a deficient number, since it is larger than the sum of its proper divisors (206241263710).

243023144330 is a wasteful number, since it uses less digits than its factorization.

243023144330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656819353.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 243023144330 its reverse (33441320342), we get a palindrome (276464464672).

The spelling of 243023144330 in words is "two hundred forty-three billion, twenty-three million, one hundred forty-four thousand, three hundred thirty".