423214231 has 4 divisors (see below), whose sum is σ = 461688264. Its totient is φ = 384740200.

The previous prime is 423214199. The next prime is 423214243. The reversal of 423214231 is 132412324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423214231 - 2⁵ = 423214199 is a prime.

It is a super-2 number, since 2×423214231² = 358220570641842722, 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 (423211231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19237000 + ... + 19237021.

It is an arithmetic number, because the mean of its divisors is an integer number (115422066).

Almost surely, 2^423214231 is an apocalyptic number.

423214231 is a deficient number, since it is larger than the sum of its proper divisors (38474033).

423214231 is a wasteful number, since it uses less digits than its factorization.

423214231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38474032.

The product of its digits is 1152, while the sum is 22.

The square root of 423214231 is about 20572.1712757793. The cubic root of 423214231 is about 750.7927800748.

Adding to 423214231 its reverse (132412324), we get a palindrome (555626555).

The spelling of 423214231 in words is "four hundred twenty-three million, two hundred fourteen thousand, two hundred thirty-one".