345864203 has 2 divisors, whose sum is σ = 345864204. Its totient is φ = 345864202.

The previous prime is 345864193. The next prime is 345864209. The reversal of 345864203 is 302468543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345864203 - 2⁴ = 345864187 is a prime.

It is not a weakly prime, because it can be changed into another prime (345864209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172932101 + 172932102.

It is an arithmetic number, because the mean of its divisors is an integer number (172932102).

Almost surely, 2^345864203 is an apocalyptic number.

345864203 is a deficient number, since it is larger than the sum of its proper divisors (1).

345864203 is an equidigital number, since it uses as much as digits as its factorization.

345864203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 345864203 is about 18597.4246335346. The cubic root of 345864203 is about 701.9430389953.

The spelling of 345864203 in words is "three hundred forty-five million, eight hundred sixty-four thousand, two hundred three".