345223611 has 6 divisors (see below), whose sum is σ = 498656340. Its totient is φ = 230149068.

The previous prime is 345223603. The next prime is 345223621. The reversal of 345223611 is 116322543.

345223611 is a `hidden beast` number, since 3 + 45 + 2 + 2 + 3 + 611 = 666.

It is not a de Polignac number, because 345223611 - 2³ = 345223603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345223621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19179081 + ... + 19179098.

It is an arithmetic number, because the mean of its divisors is an integer number (83109390).

Almost surely, 2^345223611 is an apocalyptic number.

345223611 is a deficient number, since it is larger than the sum of its proper divisors (153432729).

345223611 is a wasteful number, since it uses less digits than its factorization.

345223611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38358185 (or 38358182 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 345223611 is about 18580.1940517315. The cubic root of 345223611 is about 701.5094034921.

The spelling of 345223611 in words is "three hundred forty-five million, two hundred twenty-three thousand, six hundred eleven".