345168223 has 2 divisors, whose sum is σ = 345168224. Its totient is φ = 345168222.

The previous prime is 345168209. The next prime is 345168247. The reversal of 345168223 is 322861543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345168223 - 2⁵ = 345168191 is a prime.

It is a super-2 number, since 2×345168223² = 238282204337955458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345168203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172584111 + 172584112.

It is an arithmetic number, because the mean of its divisors is an integer number (172584112).

Almost surely, 2^345168223 is an apocalyptic number.

345168223 is a deficient number, since it is larger than the sum of its proper divisors (1).

345168223 is an equidigital number, since it uses as much as digits as its factorization.

345168223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 34.

The square root of 345168223 is about 18578.7034800602. The cubic root of 345168223 is about 701.4718845433.

The spelling of 345168223 in words is "three hundred forty-five million, one hundred sixty-eight thousand, two hundred twenty-three".