243435244007 has 2 divisors, whose sum is σ = 243435244008. Its totient is φ = 243435244006.

The previous prime is 243435243991. The next prime is 243435244009. The reversal of 243435244007 is 700442534342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243435244007 - 2⁴ = 243435243991 is a prime.

Together with 243435244009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243435244009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121717622003 + 121717622004.

It is an arithmetic number, because the mean of its divisors is an integer number (121717622004).

Almost surely, 2^243435244007 is an apocalyptic number.

243435244007 is a deficient number, since it is larger than the sum of its proper divisors (1).

243435244007 is an equidigital number, since it uses as much as digits as its factorization.

243435244007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 38.

Adding to 243435244007 its reverse (700442534342), we get a palindrome (943877778349).

The spelling of 243435244007 in words is "two hundred forty-three billion, four hundred thirty-five million, two hundred forty-four thousand, seven".