243034229 has 2 divisors, whose sum is σ = 243034230. Its totient is φ = 243034228.

The previous prime is 243034219. The next prime is 243034243. The reversal of 243034229 is 922430342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239320900 + 3713329 = 15470^2 + 1927^2 .

It is a cyclic number.

It is not a de Polignac number, because 243034229 - 2¹² = 243030133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243034219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121517114 + 121517115.

It is an arithmetic number, because the mean of its divisors is an integer number (121517115).

Almost surely, 2^243034229 is an apocalyptic number.

It is an amenable number.

243034229 is a deficient number, since it is larger than the sum of its proper divisors (1).

243034229 is an equidigital number, since it uses as much as digits as its factorization.

243034229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 243034229 is about 15589.5551251471. Note that the first 3 decimals coincide. The cubic root of 243034229 is about 624.0544456178.

The spelling of 243034229 in words is "two hundred forty-three million, thirty-four thousand, two hundred twenty-nine".