343621126343 has 4 divisors (see below), whose sum is σ = 374859410568. Its totient is φ = 312382842120.

The previous prime is 343621126319. The next prime is 343621126351.

343621126343 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 343621126343 - 2³² = 339326159047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343621126297 and 343621126306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343621126943) 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, 15619142096 + ... + 15619142117.

It is an arithmetic number, because the mean of its divisors is an integer number (93714852642).

Almost surely, 2^343621126343 is an apocalyptic number.

343621126343 is a deficient number, since it is larger than the sum of its proper divisors (31238284225).

343621126343 is a wasteful number, since it uses less digits than its factorization.

343621126343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31238284224.

The product of its digits is 186624, while the sum is 38.

It can be divided in two parts, 343621 and 126343, that added together give a palindrome (469964).

The spelling of 343621126343 in words is "three hundred forty-three billion, six hundred twenty-one million, one hundred twenty-six thousand, three hundred forty-three".