421023143301 has 16 divisors (see below), whose sum is σ = 610450092864. Its totient is φ = 257031615744.

The previous prime is 421023143251. The next prime is 421023143327. The reversal of 421023143301 is 103341320124.

It is a happy number.

It is not a de Polignac number, because 421023143301 - 2¹⁹ = 421022619013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421023143381) 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 15 ways as a sum of consecutive naturals, for example, 111556975 + ... + 111560748.

It is an arithmetic number, because the mean of its divisors is an integer number (38153130804).

Almost surely, 2^421023143301 is an apocalyptic number.

It is an amenable number.

421023143301 is a deficient number, since it is larger than the sum of its proper divisors (189426949563).

421023143301 is a wasteful number, since it uses less digits than its factorization.

421023143301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223117780.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 421023143301 its reverse (103341320124), we get a palindrome (524364463425).

The spelling of 421023143301 in words is "four hundred twenty-one billion, twenty-three million, one hundred forty-three thousand, three hundred one".