423340314321 has 8 divisors (see below), whose sum is σ = 564470671680. Its totient is φ = 282218416592.

The previous prime is 423340314223. The next prime is 423340314323. The reversal of 423340314321 is 123413043324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423340314321 - 2¹⁴ = 423340297937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (423340314323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1997205 + ... + 2198978.

It is an arithmetic number, because the mean of its divisors is an integer number (70558833960).

Almost surely, 2^423340314321 is an apocalyptic number.

It is an amenable number.

423340314321 is a deficient number, since it is larger than the sum of its proper divisors (141130357359).

423340314321 is a wasteful number, since it uses less digits than its factorization.

423340314321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229815.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 423340314321 its reverse (123413043324), we get a palindrome (546753357645).

The spelling of 423340314321 in words is "four hundred twenty-three billion, three hundred forty million, three hundred fourteen thousand, three hundred twenty-one".