344123403 has 16 divisors (see below), whose sum is σ = 494887680. Its totient is φ = 211441824.

The previous prime is 344123393. The next prime is 344123407. The reversal of 344123403 is 304321443.

It is not a de Polignac number, because 344123403 - 2¹⁶ = 344057867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (344123407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20178 + ... + 33096.

It is an arithmetic number, because the mean of its divisors is an integer number (30930480).

Almost surely, 2^344123403 is an apocalyptic number.

344123403 is a deficient number, since it is larger than the sum of its proper divisors (150764277).

344123403 is a wasteful number, since it uses less digits than its factorization.

344123403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13618.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 344123403 is about 18550.5634146244. The cubic root of 344123403 is about 700.7633869116.

Adding to 344123403 its reverse (304321443), we get a palindrome (648444846).

The spelling of 344123403 in words is "three hundred forty-four million, one hundred twenty-three thousand, four hundred three".