345352222253543 has 4 divisors (see below), whose sum is σ = 346055587268808. Its totient is φ = 344648857238280.

The previous prime is 345352222253513. The next prime is 345352222253551.

It is a happy number.

345352222253543 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345352222253543 - 2²⁰ = 345352221204967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345352222253491 and 345352222253500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345352222253513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351682506896 + ... + 351682507877.

It is an arithmetic number, because the mean of its divisors is an integer number (86513896817202).

Almost surely, 2^{345352222253543} is an apocalyptic number.

345352222253543 is a deficient number, since it is larger than the sum of its proper divisors (703365015265).

345352222253543 is an equidigital number, since it uses as much as digits as its factorization.

345352222253543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703365015264.

The product of its digits is 25920000, while the sum is 50.

The spelling of 345352222253543 in words is "three hundred forty-five trillion, three hundred fifty-two billion, two hundred twenty-two million, two hundred fifty-three thousand, five hundred forty-three".