243443230402 has 8 divisors (see below), whose sum is σ = 365252659200. Its totient is φ = 121692344004.

The previous prime is 243443230399. The next prime is 243443230411. The reversal of 243443230402 is 204032344342.

It is a happy number.

243443230402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×243443230402² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 14625202 + ... + 14641837.

It is an arithmetic number, because the mean of its divisors is an integer number (45656582400).

Almost surely, 2^243443230402 is an apocalyptic number.

243443230402 is a deficient number, since it is larger than the sum of its proper divisors (121809428798).

243443230402 is a wasteful number, since it uses less digits than its factorization.

243443230402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29271200.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 243443230402 its reverse (204032344342), we get a palindrome (447475574744).

The spelling of 243443230402 in words is "two hundred forty-three billion, four hundred forty-three million, two hundred thirty thousand, four hundred two".