243234424229 has 2 divisors, whose sum is σ = 243234424230. Its totient is φ = 243234424228.

The previous prime is 243234424183. The next prime is 243234424243. The reversal of 243234424229 is 922424432342.

243234424229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127295536225 + 115938888004 = 356785^2 + 340498^2 .

It is a cyclic number.

It is not a de Polignac number, because 243234424229 - 2¹⁶ = 243234358693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243234424259) by changing a digit.

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 as a sum of consecutive naturals, namely, 121617212114 + 121617212115.

It is an arithmetic number, because the mean of its divisors is an integer number (121617212115).

Almost surely, 2^243234424229 is an apocalyptic number.

It is an amenable number.

243234424229 is a deficient number, since it is larger than the sum of its proper divisors (1).

243234424229 is an equidigital number, since it uses as much as digits as its factorization.

243234424229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 41.

The spelling of 243234424229 in words is "two hundred forty-three billion, two hundred thirty-four million, four hundred twenty-four thousand, two hundred twenty-nine".