344002423 has 4 divisors (see below), whose sum is σ = 352392768. Its totient is φ = 335612080.

The previous prime is 344002411. The next prime is 344002427. The reversal of 344002423 is 324200443.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344002423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344002394 and 344002403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344002427) 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, 4195111 + ... + 4195192.

It is an arithmetic number, because the mean of its divisors is an integer number (88098192).

Almost surely, 2^344002423 is an apocalyptic number.

344002423 is a deficient number, since it is larger than the sum of its proper divisors (8390345).

344002423 is an equidigital number, since it uses as much as digits as its factorization.

344002423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8390344.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 344002423 is about 18547.3023105788. The cubic root of 344002423 is about 700.6812571769.

Adding to 344002423 its reverse (324200443), we get a palindrome (668202866).

The spelling of 344002423 in words is "three hundred forty-four million, two thousand, four hundred twenty-three".