343432143 has 12 divisors (see below), whose sum is σ = 514441928. Its totient is φ = 228954600.

The previous prime is 343432127. The next prime is 343432153. The reversal of 343432143 is 341234343.

It is not a de Polignac number, because 343432143 - 2⁴ = 343432127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343432153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 706408 + ... + 706893.

Almost surely, 2^343432143 is an apocalyptic number.

343432143 is a deficient number, since it is larger than the sum of its proper divisors (171009785).

343432143 is an equidigital number, since it uses as much as digits as its factorization.

343432143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413316 (or 1413304 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 343432143 is about 18531.9222694247. The cubic root of 343432143 is about 700.2938514574.

Adding to 343432143 its reverse (341234343), we get a palindrome (684666486).

The spelling of 343432143 in words is "three hundred forty-three million, four hundred thirty-two thousand, one hundred forty-three".