343320423525 has 36 divisors (see below), whose sum is σ = 647289508320. Its totient is φ = 173467159200.

The previous prime is 343320423491. The next prime is 343320423557. The reversal of 343320423525 is 525324023343.

It is a happy number.

It is not a de Polignac number, because 343320423525 - 2⁸ = 343320423269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 343320423525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40150161 + ... + 40158710.

It is an arithmetic number, because the mean of its divisors is an integer number (17980264120).

Almost surely, 2^343320423525 is an apocalyptic number.

It is an amenable number.

343320423525 is a deficient number, since it is larger than the sum of its proper divisors (303969084795).

343320423525 is a wasteful number, since it uses less digits than its factorization.

343320423525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80308906 (or 80308898 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 36.

Adding to 343320423525 its reverse (525324023343), we get a palindrome (868644446868).

The spelling of 343320423525 in words is "three hundred forty-three billion, three hundred twenty million, four hundred twenty-three thousand, five hundred twenty-five".