345971203 has 4 divisors (see below), whose sum is σ = 347727600. Its totient is φ = 344214808.

The previous prime is 345971167. The next prime is 345971237. The reversal of 345971203 is 302179543.

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 345971203 - 2²¹ = 343874051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345971293) 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, 877903 + ... + 878296.

It is an arithmetic number, because the mean of its divisors is an integer number (86931900).

Almost surely, 2^345971203 is an apocalyptic number.

345971203 is a deficient number, since it is larger than the sum of its proper divisors (1756397).

345971203 is a wasteful number, since it uses less digits than its factorization.

345971203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756396.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 345971203 is about 18600.3011534760. The cubic root of 345971203 is about 702.0154182321.

The spelling of 345971203 in words is "three hundred forty-five million, nine hundred seventy-one thousand, two hundred three".