421300401143 has 4 divisors (see below), whose sum is σ = 421361404200. Its totient is φ = 421239398088.

The previous prime is 421300401139. The next prime is 421300401187. The reversal of 421300401143 is 341104003124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421300401143 - 2² = 421300401139 is a prime.

It is a super-3 number, since 3×421300401143³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421300301143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30491168 + ... + 30504981.

It is an arithmetic number, because the mean of its divisors is an integer number (105340351050).

Almost surely, 2^421300401143 is an apocalyptic number.

421300401143 is a deficient number, since it is larger than the sum of its proper divisors (61003057).

421300401143 is an equidigital number, since it uses as much as digits as its factorization.

421300401143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61003056.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 421300401143 its reverse (341104003124), we get a palindrome (762404404267).

The spelling of 421300401143 in words is "four hundred twenty-one billion, three hundred million, four hundred one thousand, one hundred forty-three".