345706312326 has 16 divisors (see below), whose sum is σ = 707491988544. Its totient is φ = 112555543464.

The previous prime is 345706312321. The next prime is 345706312331. The reversal of 345706312326 is 623213607543.

345706312326 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (345706312321) and next prime (345706312331).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345706312321) 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, 669973216 + ... + 669973731.

It is an arithmetic number, because the mean of its divisors is an integer number (44218249284).

Almost surely, 2^345706312326 is an apocalyptic number.

345706312326 is an abundant number, since it is smaller than the sum of its proper divisors (361785676218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345706312326 is a wasteful number, since it uses less digits than its factorization.

345706312326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339946995.

The product of its (nonzero) digits is 544320, while the sum is 42.

Adding to 345706312326 its reverse (623213607543), we get a palindrome (968919919869).

The spelling of 345706312326 in words is "three hundred forty-five billion, seven hundred six million, three hundred twelve thousand, three hundred twenty-six".