423240313321 has 8 divisors (see below), whose sum is σ = 483885285120. Its totient is φ = 362640859008.

The previous prime is 423240313277. The next prime is 423240313333. The reversal of 423240313321 is 123313042324.

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 423240313321 - 2¹⁵ = 423240280553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423240313321.

It is not an unprimeable number, because it can be changed into a prime (423240313381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11359441 + ... + 11396638.

It is an arithmetic number, because the mean of its divisors is an integer number (60485660640).

Almost surely, 2^423240313321 is an apocalyptic number.

It is an amenable number.

423240313321 is a deficient number, since it is larger than the sum of its proper divisors (60644971799).

423240313321 is a wasteful number, since it uses less digits than its factorization.

423240313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22758743.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 423240313321 its reverse (123313042324), we get a palindrome (546553355645).

The spelling of 423240313321 in words is "four hundred twenty-three billion, two hundred forty million, three hundred thirteen thousand, three hundred twenty-one".