343402043 has 8 divisors (see below), whose sum is σ = 346368000. Its totient is φ = 340446888.

The previous prime is 343402009. The next prime is 343402061. The reversal of 343402043 is 340204343.

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 343402043 - 2¹² = 343397947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343402093) 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, 69158 + ... + 73956.

It is an arithmetic number, because the mean of its divisors is an integer number (43296000).

Almost surely, 2^343402043 is an apocalyptic number.

343402043 is a deficient number, since it is larger than the sum of its proper divisors (2965957).

343402043 is a wasteful number, since it uses less digits than its factorization.

343402043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401.

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

The square root of 343402043 is about 18531.1101394385. The cubic root of 343402043 is about 700.2733918497.

Adding to 343402043 its reverse (340204343), we get a palindrome (683606386).

The spelling of 343402043 in words is "three hundred forty-three million, four hundred two thousand, forty-three".