344705423 has 2 divisors, whose sum is σ = 344705424. Its totient is φ = 344705422.

The previous prime is 344705411. The next prime is 344705443. The reversal of 344705423 is 324507443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344705423 - 2⁴ = 344705407 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344705423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344705443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172352711 + 172352712.

It is an arithmetic number, because the mean of its divisors is an integer number (172352712).

Almost surely, 2^344705423 is an apocalyptic number.

344705423 is a deficient number, since it is larger than the sum of its proper divisors (1).

344705423 is an equidigital number, since it uses as much as digits as its factorization.

344705423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 32.

The square root of 344705423 is about 18566.2441813093. The cubic root of 344705423 is about 701.1582342059.

It can be divided in two parts, 34470 and 5423, that added together give a palindrome (39893).

The spelling of 344705423 in words is "three hundred forty-four million, seven hundred five thousand, four hundred twenty-three".