345330203 has 4 divisors (see below), whose sum is σ = 348498480. Its totient is φ = 342161928.

The previous prime is 345330199. The next prime is 345330217. The reversal of 345330203 is 302033543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345330203 - 2² = 345330199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345330703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583975 + ... + 1584192.

It is an arithmetic number, because the mean of its divisors is an integer number (87124620).

Almost surely, 2^345330203 is an apocalyptic number.

345330203 is a deficient number, since it is larger than the sum of its proper divisors (3168277).

345330203 is a wasteful number, since it uses less digits than its factorization.

345330203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168276.

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 345330203 is about 18583.0622611022. The cubic root of 345330203 is about 701.5815959237.

Adding to 345330203 its reverse (302033543), we get a palindrome (647363746).

The spelling of 345330203 in words is "three hundred forty-five million, three hundred thirty thousand, two hundred three".