243122001234 has 16 divisors (see below), whose sum is σ = 555707431488. Its totient is φ = 69463428912.

The previous prime is 243122001173. The next prime is 243122001253. The reversal of 243122001234 is 432100221342.

It is a happy number.

243122001234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 2894309497 + ... + 2894309580.

It is an arithmetic number, because the mean of its divisors is an integer number (34731714468).

Almost surely, 2^243122001234 is an apocalyptic number.

243122001234 is an abundant number, since it is smaller than the sum of its proper divisors (312585430254).

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

243122001234 is a wasteful number, since it uses less digits than its factorization.

243122001234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5788619089.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 243122001234 its reverse (432100221342), we get a palindrome (675222222576).

The spelling of 243122001234 in words is "two hundred forty-three billion, one hundred twenty-two million, one thousand, two hundred thirty-four".