344103421 has 2 divisors, whose sum is σ = 344103422. Its totient is φ = 344103420.

The previous prime is 344103413. The next prime is 344103449. The reversal of 344103421 is 124301443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 333792900 + 10310521 = 18270^2 + 3211^2 .

It is a cyclic number.

It is not a de Polignac number, because 344103421 - 2³ = 344103413 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 344103392 and 344103401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344103451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172051710 + 172051711.

It is an arithmetic number, because the mean of its divisors is an integer number (172051711).

Almost surely, 2^344103421 is an apocalyptic number.

It is an amenable number.

344103421 is a deficient number, since it is larger than the sum of its proper divisors (1).

344103421 is an equidigital number, since it uses as much as digits as its factorization.

344103421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 344103421 is about 18550.0248247812. The cubic root of 344103421 is about 700.7498230515.

Adding to 344103421 its reverse (124301443), we get a palindrome (468404864).

The spelling of 344103421 in words is "three hundred forty-four million, one hundred three thousand, four hundred twenty-one".