345663323 has 2 divisors, whose sum is σ = 345663324. Its totient is φ = 345663322.

The previous prime is 345663319. The next prime is 345663349. The reversal of 345663323 is 323366543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345663323 - 2² = 345663319 is a prime.

It is not a weakly prime, because it can be changed into another prime (345663623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172831661 + 172831662.

It is an arithmetic number, because the mean of its divisors is an integer number (172831662).

Almost surely, 2^345663323 is an apocalyptic number.

345663323 is a deficient number, since it is larger than the sum of its proper divisors (1).

345663323 is an equidigital number, since it uses as much as digits as its factorization.

345663323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 35.

The square root of 345663323 is about 18592.0231013196. The cubic root of 345663323 is about 701.8071151035.

The spelling of 345663323 in words is "three hundred forty-five million, six hundred sixty-three thousand, three hundred twenty-three".