320374603 has 4 divisors (see below), whose sum is σ = 320410728. Its totient is φ = 320338480.

The previous prime is 320374597. The next prime is 320374657. The reversal of 320374603 is 306473023.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 306473023 = 937 ⋅327079.

It is a cyclic number.

It is not a de Polignac number, because 320374603 - 2⁹ = 320374091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320374693) 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, 5400 + ... + 25882.

It is an arithmetic number, because the mean of its divisors is an integer number (80102682).

Almost surely, 2^320374603 is an apocalyptic number.

320374603 is a deficient number, since it is larger than the sum of its proper divisors (36125).

320374603 is a wasteful number, since it uses less digits than its factorization.

320374603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36124.

The product of its (nonzero) digits is 9072, while the sum is 28.

The square root of 320374603 is about 17899.0112296741. The cubic root of 320374603 is about 684.2571754737.

The spelling of 320374603 in words is "three hundred twenty million, three hundred seventy-four thousand, six hundred three".