421120432143 has 48 divisors (see below), whose sum is σ = 623583061920. Its totient is φ = 273754570752.

The previous prime is 421120432141. The next prime is 421120432169. The reversal of 421120432143 is 341234021124.

421120432143 is a `hidden beast` number, since 4 + 211 + 2 + 0 + 432 + 14 + 3 = 666.

It is not a de Polignac number, because 421120432143 - 2¹ = 421120432141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421120432141) 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 47 ways as a sum of consecutive naturals, for example, 145362871 + ... + 145365767.

It is an arithmetic number, because the mean of its divisors is an integer number (12991313790).

Almost surely, 2^421120432143 is an apocalyptic number.

421120432143 is a deficient number, since it is larger than the sum of its proper divisors (202462629777).

421120432143 is a wasteful number, since it uses less digits than its factorization.

421120432143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728 (or 4725 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 421120432143 its reverse (341234021124), we get a palindrome (762354453267).

The spelling of 421120432143 in words is "four hundred twenty-one billion, one hundred twenty million, four hundred thirty-two thousand, one hundred forty-three".