344423207 has 2 divisors, whose sum is σ = 344423208. Its totient is φ = 344423206.

The previous prime is 344423161. The next prime is 344423267. The reversal of 344423207 is 702324443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344423207 - 2⁶ = 344423143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344423207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344423267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172211603 + 172211604.

It is an arithmetic number, because the mean of its divisors is an integer number (172211604).

Almost surely, 2^344423207 is an apocalyptic number.

344423207 is a deficient number, since it is larger than the sum of its proper divisors (1).

344423207 is an equidigital number, since it uses as much as digits as its factorization.

344423207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 344423207 is about 18558.6423803036. The cubic root of 344423207 is about 700.9668320350.

The spelling of 344423207 in words is "three hundred forty-four million, four hundred twenty-three thousand, two hundred seven".