421323144014 has 16 divisors (see below), whose sum is σ = 648360638352. Its totient is φ = 205272468288.

The previous prime is 421323143971. The next prime is 421323144059. The reversal of 421323144014 is 410441323124.

It is a congruent number.

It is an unprimeable number.

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, 17372069 + ... + 17396304.

It is an arithmetic number, because the mean of its divisors is an integer number (40522539897).

Almost surely, 2^421323144014 is an apocalyptic number.

421323144014 is a deficient number, since it is larger than the sum of its proper divisors (227037494338).

421323144014 is a wasteful number, since it uses less digits than its factorization.

421323144014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34768531.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 421323144014 its reverse (410441323124), we get a palindrome (831764467138).

The spelling of 421323144014 in words is "four hundred twenty-one billion, three hundred twenty-three million, one hundred forty-four thousand, fourteen".