420230231 has 8 divisors (see below), whose sum is σ = 426889584. Its totient is φ = 413582400.

The previous prime is 420230219. The next prime is 420230233. The reversal of 420230231 is 132032024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420230231 is a prime.

It is a super-2 number, since 2×420230231² = 353186894092626722, which contains 22 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 (420230233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97931 + ... + 102131.

It is an arithmetic number, because the mean of its divisors is an integer number (53361198).

Almost surely, 2^420230231 is an apocalyptic number.

420230231 is a deficient number, since it is larger than the sum of its proper divisors (6659353).

420230231 is a wasteful number, since it uses less digits than its factorization.

420230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761.

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

The square root of 420230231 is about 20499.5178235977. The cubic root of 420230231 is about 749.0240526606.

Adding to 420230231 its reverse (132032024), we get a palindrome (552262255).

The spelling of 420230231 in words is "four hundred twenty million, two hundred thirty thousand, two hundred thirty-one".