345344603 has 2 divisors, whose sum is σ = 345344604. Its totient is φ = 345344602.

The previous prime is 345344509. The next prime is 345344633. The reversal of 345344603 is 306443543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345344603 - 2¹⁴ = 345328219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345344603.

It is not a weakly prime, because it can be changed into another prime (345344633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172672301 + 172672302.

It is an arithmetic number, because the mean of its divisors is an integer number (172672302).

Almost surely, 2^345344603 is an apocalyptic number.

345344603 is a deficient number, since it is larger than the sum of its proper divisors (1).

345344603 is an equidigital number, since it uses as much as digits as its factorization.

345344603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 32.

The square root of 345344603 is about 18583.4497066610. The cubic root of 345344603 is about 701.5913475898.

The spelling of 345344603 in words is "three hundred forty-five million, three hundred forty-four thousand, six hundred three".