342421323 has 4 divisors (see below), whose sum is σ = 456561768. Its totient is φ = 228280880.

The previous prime is 342421297. The next prime is 342421333. The reversal of 342421323 is 323124243.

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 342421323 - 2⁹ = 342420811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342421293 and 342421302.

It is not an unprimeable number, because it can be changed into a prime (342421333) 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, 57070218 + ... + 57070223.

It is an arithmetic number, because the mean of its divisors is an integer number (114140442).

Almost surely, 2^342421323 is an apocalyptic number.

342421323 is a deficient number, since it is larger than the sum of its proper divisors (114140445).

342421323 is a wasteful number, since it uses less digits than its factorization.

342421323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114140444.

The product of its digits is 3456, while the sum is 24.

The square root of 342421323 is about 18504.6297720327. The cubic root of 342421323 is about 699.6061205885.

Adding to 342421323 its reverse (323124243), we get a palindrome (665545566).

The spelling of 342421323 in words is "three hundred forty-two million, four hundred twenty-one thousand, three hundred twenty-three".