421411315324623 has 16 divisors (see below), whose sum is σ = 607745800189920. Its totient is φ = 258197594603904.

The previous prime is 421411315324591. The next prime is 421411315324661. The reversal of 421411315324623 is 326423513114124.

It is not a de Polignac number, because 421411315324623 - 2⁵ = 421411315324591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421411315328623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23592607536 + ... + 23592625397.

It is an arithmetic number, because the mean of its divisors is an integer number (37984112511870).

Almost surely, 2^{421411315324623} is an apocalyptic number.

421411315324623 is a deficient number, since it is larger than the sum of its proper divisors (186334484865297).

421411315324623 is a wasteful number, since it uses less digits than its factorization.

421411315324623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47185233178.

The product of its digits is 414720, while the sum is 42.

Adding to 421411315324623 its reverse (326423513114124), we get a palindrome (747834828438747).

The spelling of 421411315324623 in words is "four hundred twenty-one trillion, four hundred eleven billion, three hundred fifteen million, three hundred twenty-four thousand, six hundred twenty-three".