344126306543 has 2 divisors, whose sum is σ = 344126306544. Its totient is φ = 344126306542.

The previous prime is 344126306483. The next prime is 344126306551. The reversal of 344126306543 is 345603621443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344126306543 - 2²⁰ = 344125257967 is a prime.

It is a super-2 number, since 2×344126306543² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 344126306543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344126305543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172063153271 + 172063153272.

It is an arithmetic number, because the mean of its divisors is an integer number (172063153272).

Almost surely, 2^344126306543 is an apocalyptic number.

344126306543 is a deficient number, since it is larger than the sum of its proper divisors (1).

344126306543 is an equidigital number, since it uses as much as digits as its factorization.

344126306543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 41.

Adding to 344126306543 its reverse (345603621443), we get a palindrome (689729927986).

The spelling of 344126306543 in words is "three hundred forty-four billion, one hundred twenty-six million, three hundred six thousand, five hundred forty-three".