343143003 has 16 divisors (see below), whose sum is σ = 545619456. Its totient is φ = 187556160.

The previous prime is 343143001. The next prime is 343143007. The reversal of 343143003 is 300341343.

It is not a de Polignac number, because 343143003 - 2¹ = 343143001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (343143001) 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 15 ways as a sum of consecutive naturals, for example, 354738 + ... + 355703.

It is an arithmetic number, because the mean of its divisors is an integer number (34101216).

Almost surely, 2^343143003 is an apocalyptic number.

343143003 is a deficient number, since it is larger than the sum of its proper divisors (202476453).

343143003 is a wasteful number, since it uses less digits than its factorization.

343143003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710474.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 343143003 is about 18524.1194932445. The cubic root of 343143003 is about 700.0972674361.

Adding to 343143003 its reverse (300341343), we get a palindrome (643484346).

The spelling of 343143003 in words is "three hundred forty-three million, one hundred forty-three thousand, three".