354304343 has 4 divisors (see below), whose sum is σ = 372951960. Its totient is φ = 335656728.

The previous prime is 354304337. The next prime is 354304367. The reversal of 354304343 is 343403453.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 354304343 - 2²² = 350110039 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 (354304373) 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, 9323780 + ... + 9323817.

It is an arithmetic number, because the mean of its divisors is an integer number (93237990).

Almost surely, 2^354304343 is an apocalyptic number.

354304343 is a deficient number, since it is larger than the sum of its proper divisors (18647617).

354304343 is a wasteful number, since it uses less digits than its factorization.

354304343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18647616.

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

The square root of 354304343 is about 18822.9738086201. The cubic root of 354304343 is about 707.6070620901.

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

The spelling of 354304343 in words is "three hundred fifty-four million, three hundred four thousand, three hundred forty-three".