243214251234247 has 2 divisors, whose sum is σ = 243214251234248. Its totient is φ = 243214251234246.

The previous prime is 243214251234193. The next prime is 243214251234277. The reversal of 243214251234247 is 742432152412342.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243214251234247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243214251234197 and 243214251234206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243214251234277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121607125617123 + 121607125617124.

It is an arithmetic number, because the mean of its divisors is an integer number (121607125617124).

Almost surely, 2^{243214251234247} is an apocalyptic number.

243214251234247 is a deficient number, since it is larger than the sum of its proper divisors (1).

243214251234247 is an equidigital number, since it uses as much as digits as its factorization.

243214251234247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2580480, while the sum is 46.

The spelling of 243214251234247 in words is "two hundred forty-three trillion, two hundred fourteen billion, two hundred fifty-one million, two hundred thirty-four thousand, two hundred forty-seven".