423013202113321 has 4 divisors (see below), whose sum is σ = 423786535207312. Its totient is φ = 422239869019332.

The previous prime is 423013202113261. The next prime is 423013202113339. The reversal of 423013202113321 is 123311202310324.

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 423013202113321 - 2¹⁷ = 423013201982249 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 423013202113321.

It is not an unprimeable number, because it can be changed into a prime (423013202111321) 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, 386666546175 + ... + 386666547268.

It is an arithmetic number, because the mean of its divisors is an integer number (105946633801828).

Almost surely, 2^{423013202113321} is an apocalyptic number.

It is an amenable number.

423013202113321 is a deficient number, since it is larger than the sum of its proper divisors (773333093991).

423013202113321 is an equidigital number, since it uses as much as digits as its factorization.

423013202113321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773333093990.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 423013202113321 its reverse (123311202310324), we get a palindrome (546324404423645).

The spelling of 423013202113321 in words is "four hundred twenty-three trillion, thirteen billion, two hundred two million, one hundred thirteen thousand, three hundred twenty-one".