345530116423 has 4 divisors (see below), whose sum is σ = 346328107888. Its totient is φ = 344732124960.

The previous prime is 345530116403. The next prime is 345530116441. The reversal of 345530116423 is 324611035543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324611035543 = 67 ⋅4844940829.

It is a cyclic number.

It is not a de Polignac number, because 345530116423 - 2²¹ = 345528019271 is a prime.

It is a super-2 number, since 2×345530116423² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345530116403) 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, 398995083 + ... + 398995948.

It is an arithmetic number, because the mean of its divisors is an integer number (86582026972).

Almost surely, 2^345530116423 is an apocalyptic number.

345530116423 is a deficient number, since it is larger than the sum of its proper divisors (797991465).

345530116423 is an equidigital number, since it uses as much as digits as its factorization.

345530116423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797991464.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 345530116423 in words is "three hundred forty-five billion, five hundred thirty million, one hundred sixteen thousand, four hundred twenty-three".