420143230 has 16 divisors (see below), whose sum is σ = 814431744. Its totient is φ = 155129760.

The previous prime is 420143203. The next prime is 420143233. The reversal of 420143230 is 32341024.

It is a junction number, because it is equal to n+sod(n) for n = 420143198 and 420143207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420143233) 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, 1615806 + ... + 1616065.

It is an arithmetic number, because the mean of its divisors is an integer number (50901984).

Almost surely, 2^420143230 is an apocalyptic number.

420143230 is a deficient number, since it is larger than the sum of its proper divisors (394288514).

420143230 is a wasteful number, since it uses less digits than its factorization.

420143230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231891.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 420143230 is about 20497.3956882332. The cubic root of 420143230 is about 748.9723585063.

Adding to 420143230 its reverse (32341024), we get a palindrome (452484254).

The spelling of 420143230 in words is "four hundred twenty million, one hundred forty-three thousand, two hundred thirty".