343403453 has 8 divisors (see below), whose sum is σ = 347926656. Its totient is φ = 338889600.

The previous prime is 343403419. The next prime is 343403491. The reversal of 343403453 is 354304343.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 343403453 - 2¹⁴ = 343387069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343403153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100493 + ... + 103853.

It is an arithmetic number, because the mean of its divisors is an integer number (43490832).

Almost surely, 2^343403453 is an apocalyptic number.

It is an amenable number.

343403453 is a deficient number, since it is larger than the sum of its proper divisors (4523203).

343403453 is a wasteful number, since it uses less digits than its factorization.

343403453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4675.

The product of its (nonzero) digits is 25920, while the sum is 29.

The square root of 343403453 is about 18531.1481835314. The cubic root of 343403453 is about 700.2743502833.

Adding to 343403453 its reverse (354304343), we get a palindrome (697707796).

The spelling of 343403453 in words is "three hundred forty-three million, four hundred three thousand, four hundred fifty-three".