423230013 has 12 divisors (see below), whose sum is σ = 627855228. Its totient is φ = 274527360.

The previous prime is 423229993. The next prime is 423230021. The reversal of 423230013 is 310032324.

423230013 is a `hidden beast` number, since 423 + 230 + 0 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 342176004 + 81054009 = 18498^2 + 9003^2 .

It is not a de Polignac number, because 423230013 - 2¹⁰ = 423228989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423230033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635148 + ... + 635813.

It is an arithmetic number, because the mean of its divisors is an integer number (52321269).

Almost surely, 2^423230013 is an apocalyptic number.

It is an amenable number.

423230013 is a deficient number, since it is larger than the sum of its proper divisors (204625215).

423230013 is a wasteful number, since it uses less digits than its factorization.

423230013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271004 (or 1271001 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 423230013 is about 20572.5548486327. The cubic root of 423230013 is about 750.8021125149.

Adding to 423230013 its reverse (310032324), we get a palindrome (733262337).

The spelling of 423230013 in words is "four hundred twenty-three million, two hundred thirty thousand, thirteen".