345320603 has 4 divisors (see below), whose sum is σ = 357228240. Its totient is φ = 333412968.

The previous prime is 345320567. The next prime is 345320617. The reversal of 345320603 is 306023543.

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 345320603 - 2⁶ = 345320539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345320653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5953775 + ... + 5953832.

It is an arithmetic number, because the mean of its divisors is an integer number (89307060).

Almost surely, 2^345320603 is an apocalyptic number.

345320603 is a deficient number, since it is larger than the sum of its proper divisors (11907637).

345320603 is a wasteful number, since it uses less digits than its factorization.

345320603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11907636.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 345320603 is about 18582.8039595751. The cubic root of 345320603 is about 701.5750946623.

The spelling of 345320603 in words is "three hundred forty-five million, three hundred twenty thousand, six hundred three".