421343343124 has 24 divisors (see below), whose sum is σ = 839355910848. Its totient is φ = 183192757440.

The previous prime is 421343343121. The next prime is 421343343137.

421343343124 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 421343343124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421343343121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208172577 + ... + 208174600.

It is an arithmetic number, because the mean of its divisors is an integer number (34973162952).

Almost surely, 2^421343343124 is an apocalyptic number.

421343343124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421343343124 is a deficient number, since it is larger than the sum of its proper divisors (418012567724).

421343343124 is a wasteful number, since it uses less digits than its factorization.

421343343124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416347215 (or 416347213 counting only the distinct ones).

The product of its digits is 82944, while the sum is 34.

It can be divided in two parts, 421343 and 343124, that added together give a palindrome (764467).

The spelling of 421343343124 in words is "four hundred twenty-one billion, three hundred forty-three million, three hundred forty-three thousand, one hundred twenty-four".