424232231 has 2 divisors, whose sum is σ = 424232232. Its totient is φ = 424232230.

The previous prime is 424232227. The next prime is 424232239. The reversal of 424232231 is 132232424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424232231 - 2² = 424232227 is a prime.

It is a super-2 number, since 2×424232231² = 359945971638474722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 424232197 and 424232206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424232239) 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 as a sum of consecutive naturals, namely, 212116115 + 212116116.

It is an arithmetic number, because the mean of its divisors is an integer number (212116116).

Almost surely, 2^424232231 is an apocalyptic number.

424232231 is a deficient number, since it is larger than the sum of its proper divisors (1).

424232231 is an equidigital number, since it uses as much as digits as its factorization.

424232231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 23.

The square root of 424232231 is about 20596.8985772130. The cubic root of 424232231 is about 751.3942839863.

Adding to 424232231 its reverse (132232424), we get a palindrome (556464655).

The spelling of 424232231 in words is "four hundred twenty-four million, two hundred thirty-two thousand, two hundred thirty-one".