344230421 has 4 divisors (see below), whose sum is σ = 345205932. Its totient is φ = 343254912.

The previous prime is 344230357. The next prime is 344230427. The reversal of 344230421 is 124032443.

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

It can be written as a sum of positive squares in 2 ways, for example, as 197093521 + 147136900 = 14039^2 + 12130^2 .

It is a cyclic number.

It is not a de Polignac number, because 344230421 - 2⁶ = 344230357 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 (344230427) 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, 487226 + ... + 487931.

It is an arithmetic number, because the mean of its divisors is an integer number (86301483).

Almost surely, 2^344230421 is an apocalyptic number.

It is an amenable number.

344230421 is a deficient number, since it is larger than the sum of its proper divisors (975511).

344230421 is an equidigital number, since it uses as much as digits as its factorization.

344230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975510.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 344230421 is about 18553.4476849991. The cubic root of 344230421 is about 700.8360222150.

Adding to 344230421 its reverse (124032443), we get a palindrome (468262864).

The spelling of 344230421 in words is "three hundred forty-four million, two hundred thirty thousand, four hundred twenty-one".