344878011323 has 2 divisors, whose sum is σ = 344878011324. Its totient is φ = 344878011322.

The previous prime is 344878011319. The next prime is 344878011347. The reversal of 344878011323 is 323110878443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344878011323 - 2² = 344878011319 is a prime.

It is not a weakly prime, because it can be changed into another prime (344878011353) 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, 172439005661 + 172439005662.

It is an arithmetic number, because the mean of its divisors is an integer number (172439005662).

Almost surely, 2^344878011323 is an apocalyptic number.

344878011323 is a deficient number, since it is larger than the sum of its proper divisors (1).

344878011323 is an equidigital number, since it uses as much as digits as its factorization.

344878011323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 44.

Adding to 344878011323 its reverse (323110878443), we get a palindrome (667988889766).

The spelling of 344878011323 in words is "three hundred forty-four billion, eight hundred seventy-eight million, eleven thousand, three hundred twenty-three".