345233217 has 8 divisors (see below), whose sum is σ = 526069696. Its totient is φ = 197276112.

The previous prime is 345233209. The next prime is 345233257. The reversal of 345233217 is 712332543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345233217 - 2³ = 345233209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345233257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8219818 + ... + 8219859.

It is an arithmetic number, because the mean of its divisors is an integer number (65758712).

Almost surely, 2^345233217 is an apocalyptic number.

It is an amenable number.

345233217 is a deficient number, since it is larger than the sum of its proper divisors (180836479).

345233217 is a wasteful number, since it uses less digits than its factorization.

345233217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16439687.

The product of its digits is 15120, while the sum is 30.

The square root of 345233217 is about 18580.4525510010. The cubic root of 345233217 is about 701.5159100352.

The spelling of 345233217 in words is "three hundred forty-five million, two hundred thirty-three thousand, two hundred seventeen".