345163408423 has 2 divisors, whose sum is σ = 345163408424. Its totient is φ = 345163408422.

The previous prime is 345163408393. The next prime is 345163408441. The reversal of 345163408423 is 324804361543.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345163408423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345163408423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345163708423) 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, 172581704211 + 172581704212.

It is an arithmetic number, because the mean of its divisors is an integer number (172581704212).

Almost surely, 2^345163408423 is an apocalyptic number.

345163408423 is a deficient number, since it is larger than the sum of its proper divisors (1).

345163408423 is an equidigital number, since it uses as much as digits as its factorization.

345163408423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 43.

Adding to 345163408423 its reverse (324804361543), we get a palindrome (669967769966).

The spelling of 345163408423 in words is "three hundred forty-five billion, one hundred sixty-three million, four hundred eight thousand, four hundred twenty-three".