345201223 has 4 divisors (see below), whose sum is σ = 345252600. Its totient is φ = 345149848.

The previous prime is 345201221. The next prime is 345201331. The reversal of 345201223 is 322102543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322102543 = 7 ⋅46014649.

It is a cyclic number.

It is not a de Polignac number, because 345201223 - 2¹ = 345201221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345201194 and 345201203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345201221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13765 + ... + 29662.

It is an arithmetic number, because the mean of its divisors is an integer number (86313150).

Almost surely, 2^345201223 is an apocalyptic number.

345201223 is a deficient number, since it is larger than the sum of its proper divisors (51377).

345201223 is an equidigital number, since it uses as much as digits as its factorization.

345201223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51376.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 345201223 is about 18579.5915724754. The cubic root of 345201223 is about 701.4942387008.

Adding to 345201223 its reverse (322102543), we get a palindrome (667303766).

The spelling of 345201223 in words is "three hundred forty-five million, two hundred one thousand, two hundred twenty-three".