423263231 has 4 divisors (see below), whose sum is σ = 428362872. Its totient is φ = 418163592.

The previous prime is 423263177. The next prime is 423263237. The reversal of 423263231 is 132362324.

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 423263231 - 2¹⁰ = 423262207 is a prime.

It is a super-2 number, since 2×423263231² = 358303525433118722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423263231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423263237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2549696 + ... + 2549861.

It is an arithmetic number, because the mean of its divisors is an integer number (107090718).

Almost surely, 2^423263231 is an apocalyptic number.

423263231 is a deficient number, since it is larger than the sum of its proper divisors (5099641).

423263231 is an equidigital number, since it uses as much as digits as its factorization.

423263231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099640.

The product of its digits is 5184, while the sum is 26.

The square root of 423263231 is about 20573.3621705350. The cubic root of 423263231 is about 750.8217547042.

The spelling of 423263231 in words is "four hundred twenty-three million, two hundred sixty-three thousand, two hundred thirty-one".