343125521343 has 48 divisors (see below), whose sum is σ = 555410467872. Its totient is φ = 202292640000.

The previous prime is 343125521339. The next prime is 343125521353.

343125521343 is a `hidden beast` number, since 3 + 4 + 3 + 125 + 521 + 3 + 4 + 3 = 666.

343125521343 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 343125521343 - 2² = 343125521339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343125521298 and 343125521307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343125521353) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34650693 + ... + 34660593.

It is an arithmetic number, because the mean of its divisors is an integer number (11571051414).

Almost surely, 2^343125521343 is an apocalyptic number.

343125521343 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

343125521343 is a deficient number, since it is larger than the sum of its proper divisors (212284946529).

343125521343 is a wasteful number, since it uses less digits than its factorization.

343125521343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19416 (or 19413 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

It can be divided in two parts, 343125 and 521343, that added together give a palindrome (864468).

The spelling of 343125521343 in words is "three hundred forty-three billion, one hundred twenty-five million, five hundred twenty-one thousand, three hundred forty-three".