243010340323 has 2 divisors, whose sum is σ = 243010340324. Its totient is φ = 243010340322.

The previous prime is 243010340291. The next prime is 243010340381. The reversal of 243010340323 is 323043010342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243010340323 - 2⁵ = 243010340291 is a prime.

It is not a weakly prime, because it can be changed into another prime (243010341323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121505170161 + 121505170162.

It is an arithmetic number, because the mean of its divisors is an integer number (121505170162).

Almost surely, 2^243010340323 is an apocalyptic number.

243010340323 is a deficient number, since it is larger than the sum of its proper divisors (1).

243010340323 is an equidigital number, since it uses as much as digits as its factorization.

243010340323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 243010340323 its reverse (323043010342), we get a palindrome (566053350665).

The spelling of 243010340323 in words is "two hundred forty-three billion, ten million, three hundred forty thousand, three hundred twenty-three".