423263229 has 16 divisors (see below), whose sum is σ = 598158720. Its totient is φ = 265305600.

The previous prime is 423263177. The next prime is 423263237. The reversal of 423263229 is 922362324.

It is a happy number.

It is not a de Polignac number, because 423263229 - 2¹³ = 423255037 is a prime.

It is a super-2 number, since 2×423263229² = 358303522047012882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423263229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423263279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53904 + ... + 61254.

It is an arithmetic number, because the mean of its divisors is an integer number (37384920).

Almost surely, 2^423263229 is an apocalyptic number.

It is an amenable number.

423263229 is a deficient number, since it is larger than the sum of its proper divisors (174895491).

423263229 is a wasteful number, since it uses less digits than its factorization.

423263229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8500.

The product of its digits is 31104, while the sum is 33.

The square root of 423263229 is about 20573.3621219284. The cubic root of 423263229 is about 750.8217535216.

The spelling of 423263229 in words is "four hundred twenty-three million, two hundred sixty-three thousand, two hundred twenty-nine".