423541253410321 has 4 divisors (see below), whose sum is σ = 424170586625572. Its totient is φ = 422911920195072.

The previous prime is 423541253410307. The next prime is 423541253410399. The reversal of 423541253410321 is 123014352145324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 230260746179025 + 193280507231296 = 15174345^2 + 13902536^2 .

It is a cyclic number.

It is not a de Polignac number, because 423541253410321 - 2¹⁵ = 423541253377553 is a prime.

It is a super-2 number, since 2×423541253410321² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423541253410621) 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, 314666606616 + ... + 314666607961.

It is an arithmetic number, because the mean of its divisors is an integer number (106042646656393).

Almost surely, 2^{423541253410321} is an apocalyptic number.

It is an amenable number.

423541253410321 is a deficient number, since it is larger than the sum of its proper divisors (629333215251).

423541253410321 is an equidigital number, since it uses as much as digits as its factorization.

423541253410321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629333215250.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 423541253410321 in words is "four hundred twenty-three trillion, five hundred forty-one billion, two hundred fifty-three million, four hundred ten thousand, three hundred twenty-one".