342345303543243 has 768 divisors, whose sum is σ = 677938572308480. Its totient is φ = 149402515046400.

The previous prime is 342345303543209. The next prime is 342345303543247.

It is a happy number.

342345303543243 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 342345303543243 - 2²¹ = 342345301446091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342345303543192 and 342345303543201.

It is not an unprimeable number, because it can be changed into a prime (342345303543247) by changing a digit.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 813171742173 + ... + 813171742593.

Almost surely, 2^{342345303543243} is an apocalyptic number.

342345303543243 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

342345303543243 is a deficient number, since it is larger than the sum of its proper divisors (335593268765237).

342345303543243 is a wasteful number, since it uses less digits than its factorization.

342345303543243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 48.

It can be divided in two parts, 34234530 and 3543243, that added together give a palindrome (37777773).

The spelling of 342345303543243 in words is "three hundred forty-two trillion, three hundred forty-five billion, three hundred three million, five hundred forty-three thousand, two hundred forty-three".