423312513 has 16 divisors (see below), whose sum is σ = 613857216. Its totient is φ = 257918400.

The previous prime is 423312481. The next prime is 423312517. The reversal of 423312513 is 315213324.

It is not a de Polignac number, because 423312513 - 2⁵ = 423312481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (423312517) 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, 49795 + ... + 57672.

It is an arithmetic number, because the mean of its divisors is an integer number (38366076).

Almost surely, 2^423312513 is an apocalyptic number.

It is an amenable number.

423312513 is a deficient number, since it is larger than the sum of its proper divisors (190544703).

423312513 is a wasteful number, since it uses less digits than its factorization.

423312513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107584.

The product of its digits is 2160, while the sum is 24.

The square root of 423312513 is about 20574.5598494840. The cubic root of 423312513 is about 750.8508938301.

Adding to 423312513 its reverse (315213324), we get a palindrome (738525837).

It can be divided in two parts, 42331 and 2513, that added together give a palindrome (44844).

The spelling of 423312513 in words is "four hundred twenty-three million, three hundred twelve thousand, five hundred thirteen".