421033123030443 has 96 divisors (see below), whose sum is σ = 723494188892160. Its totient is φ = 215327560069440.

The previous prime is 421033123030411. The next prime is 421033123030463. The reversal of 421033123030443 is 344030321330124.

It is a happy number.

It is not a de Polignac number, because 421033123030443 - 2⁵ = 421033123030411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (421033123030463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39577630 + ... + 49076012.

It is an arithmetic number, because the mean of its divisors is an integer number (7536397800960).

Almost surely, 2^{421033123030443} is an apocalyptic number.

421033123030443 is a deficient number, since it is larger than the sum of its proper divisors (302461065861717).

421033123030443 is a wasteful number, since it uses less digits than its factorization.

421033123030443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9498837 (or 9498830 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 421033123030443 its reverse (344030321330124), we get a palindrome (765063444360567).

The spelling of 421033123030443 in words is "four hundred twenty-one trillion, thirty-three billion, one hundred twenty-three million, thirty thousand, four hundred forty-three".