420034143 has 8 divisors (see below), whose sum is σ = 560751408. Its totient is φ = 279669824.

The previous prime is 420034117. The next prime is 420034151. The reversal of 420034143 is 341430024.

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 420034143 - 2¹² = 420030047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420034183) 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, 85446 + ... + 90227.

It is an arithmetic number, because the mean of its divisors is an integer number (70093926).

Almost surely, 2^420034143 is an apocalyptic number.

420034143 is a deficient number, since it is larger than the sum of its proper divisors (140717265).

420034143 is a wasteful number, since it uses less digits than its factorization.

420034143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176473.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 420034143 is about 20494.7345188953. The cubic root of 420034143 is about 748.9075312331.

Adding to 420034143 its reverse (341430024), we get a palindrome (761464167).

The spelling of 420034143 in words is "four hundred twenty million, thirty-four thousand, one hundred forty-three".