421310320023 has 8 divisors (see below), whose sum is σ = 586170880128. Its totient is φ = 268661653304.

The previous prime is 421310320019. The next prime is 421310320043. The reversal of 421310320023 is 320023013124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421310320023 - 2² = 421310320019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421310320043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3052973265 + ... + 3052973402.

It is an arithmetic number, because the mean of its divisors is an integer number (73271360016).

Almost surely, 2^421310320023 is an apocalyptic number.

421310320023 is a deficient number, since it is larger than the sum of its proper divisors (164860560105).

421310320023 is a wasteful number, since it uses less digits than its factorization.

421310320023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105946693.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 421310320023 its reverse (320023013124), we get a palindrome (741333333147).

The spelling of 421310320023 in words is "four hundred twenty-one billion, three hundred ten million, three hundred twenty thousand, twenty-three".