343404143 has 8 divisors (see below), whose sum is σ = 355405440. Its totient is φ = 331460640.

The previous prime is 343404101. The next prime is 343404181. The reversal of 343404143 is 341404343.

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 343404143 - 2⁸ = 343403887 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 (343401143) 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, 2180 + ... + 26297.

It is an arithmetic number, because the mean of its divisors is an integer number (44425680).

Almost surely, 2^343404143 is an apocalyptic number.

343404143 is a deficient number, since it is larger than the sum of its proper divisors (12001297).

343404143 is a wasteful number, since it uses less digits than its factorization.

343404143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28897.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 343404143 is about 18531.1668008250. The cubic root of 343404143 is about 700.2748193030.

Adding to 343404143 its reverse (341404343), we get a palindrome (684808486).

It can be divided in two parts, 34340 and 4143, that added together give a palindrome (38483).

The spelling of 343404143 in words is "three hundred forty-three million, four hundred four thousand, one hundred forty-three".