343140203 has 8 divisors (see below), whose sum is σ = 392272608. Its totient is φ = 294035904.

The previous prime is 343140199. The next prime is 343140251. The reversal of 343140203 is 302041343.

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 343140203 - 2² = 343140199 is a prime.

It is a super-3 number, since 3×343140203³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (343140253) 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, 41525 + ... + 49097.

It is an arithmetic number, because the mean of its divisors is an integer number (49034076).

Almost surely, 2^343140203 is an apocalyptic number.

343140203 is a deficient number, since it is larger than the sum of its proper divisors (49132405).

343140203 is an equidigital number, since it uses as much as digits as its factorization.

343140203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14053.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 343140203 is about 18524.0439159488. The cubic root of 343140203 is about 700.0953631983.

Adding to 343140203 its reverse (302041343), we get a palindrome (645181546).

It can be divided in two parts, 343140 and 203, that added together give a palindrome (343343).

The spelling of 343140203 in words is "three hundred forty-three million, one hundred forty thousand, two hundred three".