344320423 has 4 divisors (see below), whose sum is σ = 344924008. Its totient is φ = 343716840.

The previous prime is 344320411. The next prime is 344320429. The reversal of 344320423 is 324023443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 344320423 - 2⁵ = 344320391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344320429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300936 + ... + 302077.

It is an arithmetic number, because the mean of its divisors is an integer number (86231002).

Almost surely, 2^344320423 is an apocalyptic number.

344320423 is a deficient number, since it is larger than the sum of its proper divisors (603585).

344320423 is an equidigital number, since it uses as much as digits as its factorization.

344320423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603584.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 344320423 is about 18555.8730056012. The cubic root of 344320423 is about 700.8970967582.

Adding to 344320423 its reverse (324023443), we get a palindrome (668343866).

The spelling of 344320423 in words is "three hundred forty-four million, three hundred twenty thousand, four hundred twenty-three".