421320323024 has 80 divisors (see below), whose sum is σ = 838129856256. Its totient is φ = 205079040000.

The previous prime is 421320323023. The next prime is 421320323119. The reversal of 421320323024 is 420323023124.

It is a junction number, because it is equal to n+sod(n) for n = 421320322984 and 421320323002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421320323023) 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, 244810484 + ... + 244812204.

Almost surely, 2^421320323024 is an apocalyptic number.

It is an amenable number.

421320323024 is a deficient number, since it is larger than the sum of its proper divisors (416809533232).

421320323024 is a wasteful number, since it uses less digits than its factorization.

421320323024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324 (or 3318 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 421320323024 its reverse (420323023124), we get a palindrome (841643346148).

The spelling of 421320323024 in words is "four hundred twenty-one billion, three hundred twenty million, three hundred twenty-three thousand, twenty-four".