423230511 has 16 divisors (see below), whose sum is σ = 622529280. Its totient is φ = 253619520.

The previous prime is 423230471. The next prime is 423230513. The reversal of 423230511 is 115032324.

It is not a de Polignac number, because 423230511 - 2¹⁰ = 423229487 is a prime.

It is a super-3 number, since 3×423230511³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423230513) 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, 69115 + ... + 74988.

It is an arithmetic number, because the mean of its divisors is an integer number (38908080).

Almost surely, 2^423230511 is an apocalyptic number.

423230511 is a deficient number, since it is larger than the sum of its proper divisors (199298769).

423230511 is a wasteful number, since it uses less digits than its factorization.

423230511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144206.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 423230511 is about 20572.5669521331. The cubic root of 423230511 is about 750.8024069956.

Adding to 423230511 its reverse (115032324), we get a palindrome (538262835).

It can be divided in two parts, 4232 and 30511, that added together give a palindrome (34743).

The spelling of 423230511 in words is "four hundred twenty-three million, two hundred thirty thousand, five hundred eleven".