345423101324543 has 12 divisors (see below), whose sum is σ = 379842681352344. Its totient is φ = 313886401290000.

The previous prime is 345423101324407. The next prime is 345423101324569.

345423101324543 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 345423101324543 - 2²⁸ = 345422832889087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345423101324494 and 345423101324503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345423101324243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611534333 + ... + 612098918.

It is an arithmetic number, because the mean of its divisors is an integer number (31653556779362).

Almost surely, 2^{345423101324543} is an apocalyptic number.

345423101324543 is a deficient number, since it is larger than the sum of its proper divisors (34419580027801).

345423101324543 is a wasteful number, since it uses less digits than its factorization.

345423101324543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223635606 (or 1223635595 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 44.

It can be divided in two parts, 34542310 and 1324543, that added together give a palindrome (35866853).

The spelling of 345423101324543 in words is "three hundred forty-five trillion, four hundred twenty-three billion, one hundred one million, three hundred twenty-four thousand, five hundred forty-three".