343333231243421 has 4 divisors (see below), whose sum is σ = 351317724993312. Its totient is φ = 335348737493532.

The previous prime is 343333231243369. The next prime is 343333231243459. The reversal of 343333231243421 is 124342132333343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 343333231243421 - 2⁶ = 343333231243357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343333231243621) 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, 3992246874881 + ... + 3992246874966.

It is an arithmetic number, because the mean of its divisors is an integer number (87829431248328).

Almost surely, 2^{343333231243421} is an apocalyptic number.

It is an amenable number.

343333231243421 is a deficient number, since it is larger than the sum of its proper divisors (7984493749891).

343333231243421 is an equidigital number, since it uses as much as digits as its factorization.

343333231243421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7984493749890.

The product of its digits is 1119744, while the sum is 41.

Adding to 343333231243421 its reverse (124342132333343), we get a palindrome (467675363576764).

The spelling of 343333231243421 in words is "three hundred forty-three trillion, three hundred thirty-three billion, two hundred thirty-one million, two hundred forty-three thousand, four hundred twenty-one".