423332242313421 has 64 divisors (see below), whose sum is σ = 670263406041600. Its totient is φ = 232533124862976.

The previous prime is 423332242313419. The next prime is 423332242313447. The reversal of 423332242313421 is 124313242233324.

It is not a de Polignac number, because 423332242313421 - 2¹ = 423332242313419 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 423332242313421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423332242313401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4609558515 + ... + 4609650351.

It is an arithmetic number, because the mean of its divisors is an integer number (10472865719400).

Almost surely, 2^{423332242313421} is an apocalyptic number.

It is an amenable number.

423332242313421 is a deficient number, since it is larger than the sum of its proper divisors (246931163728179).

423332242313421 is a wasteful number, since it uses less digits than its factorization.

423332242313421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125158.

The product of its digits is 497664, while the sum is 39.

Adding to 423332242313421 its reverse (124313242233324), we get a palindrome (547645484546745).

The spelling of 423332242313421 in words is "four hundred twenty-three trillion, three hundred thirty-two billion, two hundred forty-two million, three hundred thirteen thousand, four hundred twenty-one".