421300143 has 32 divisors (see below), whose sum is σ = 682894080. Its totient is φ = 254581920.

The previous prime is 421300141. The next prime is 421300147. The reversal of 421300143 is 341003124.

It is not a de Polignac number, because 421300143 - 2¹ = 421300141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421300141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108880 + ... + 112682.

It is an arithmetic number, because the mean of its divisors is an integer number (21340440).

Almost surely, 2^421300143 is an apocalyptic number.

421300143 is a deficient number, since it is larger than the sum of its proper divisors (261593937).

421300143 is a wasteful number, since it uses less digits than its factorization.

421300143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196 (or 4190 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 421300143 is about 20525.5972629300. The cubic root of 421300143 is about 749.6591891541.

Adding to 421300143 its reverse (341003124), we get a palindrome (762303267).

The spelling of 421300143 in words is "four hundred twenty-one million, three hundred thousand, one hundred forty-three".