343004423 has 4 divisors (see below), whose sum is σ = 348123960. Its totient is φ = 337884888.

The previous prime is 343004419. The next prime is 343004437. The reversal of 343004423 is 324400343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324400343 = 769 ⋅421847.

It is a cyclic number.

It is not a de Polignac number, because 343004423 - 2² = 343004419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343004413) 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, 2559668 + ... + 2559801.

It is an arithmetic number, because the mean of its divisors is an integer number (87030990).

Almost surely, 2^343004423 is an apocalyptic number.

343004423 is a deficient number, since it is larger than the sum of its proper divisors (5119537).

343004423 is an equidigital number, since it uses as much as digits as its factorization.

343004423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5119536.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 343004423 is about 18520.3785868432. The cubic root of 343004423 is about 700.0030088306.

Adding to 343004423 its reverse (324400343), we get a palindrome (667404766).

The spelling of 343004423 in words is "three hundred forty-three million, four thousand, four hundred twenty-three".