340203 has 8 divisors (see below), whose sum is σ = 457216. Its totient is φ = 225000.

The previous prime is 340201. The next prime is 340211. The reversal of 340203 is 302043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340203 - 2¹ = 340201 is a prime.

It is a Duffinian number.

340203 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340203.

It is not an unprimeable number, because it can be changed into a prime (340201) 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, 78 + ... + 828.

It is an arithmetic number, because the mean of its divisors is an integer number (57152).

2³⁴⁰²⁰³ is an apocalyptic number.

340203 is a deficient number, since it is larger than the sum of its proper divisors (117013).

340203 is a wasteful number, since it uses less digits than its factorization.

340203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 340203 is about 583.2692345735. The cubic root of 340203 is about 69.8092083428.

Adding to 340203 its reverse (302043), we get a palindrome (642246).

The spelling of 340203 in words is "three hundred forty thousand, two hundred three", and thus it is an iban number.