420030143 has 8 divisors (see below), whose sum is σ = 452581248. Its totient is φ = 387513504.

The previous prime is 420030139. The next prime is 420030167. The reversal of 420030143 is 341030024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420030143 - 2² = 420030139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420030103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20321 + ... + 35397.

It is an arithmetic number, because the mean of its divisors is an integer number (56572656).

Almost surely, 2^420030143 is an apocalyptic number.

420030143 is a deficient number, since it is larger than the sum of its proper divisors (32551105).

420030143 is a wasteful number, since it uses less digits than its factorization.

420030143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17233.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 420030143 is about 20494.6369326222. The cubic root of 420030143 is about 748.9051539346.

Adding to 420030143 its reverse (341030024), we get a palindrome (761060167).

It can be divided in two parts, 4200 and 30143, that added together give a palindrome (34343).

The spelling of 420030143 in words is "four hundred twenty million, thirty thousand, one hundred forty-three".