423504213 has 16 divisors (see below), whose sum is σ = 616997952. Its totient is φ = 256256000.

The previous prime is 423504209. The next prime is 423504217. The reversal of 423504213 is 312405324.

It is an interprime number because it is at equal distance from previous prime (423504209) and next prime (423504217).

It is not a de Polignac number, because 423504213 - 2² = 423504209 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423504217) 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, 11143 + ... + 31163.

It is an arithmetic number, because the mean of its divisors is an integer number (38562372).

Almost surely, 2^423504213 is an apocalyptic number.

It is an amenable number.

423504213 is a deficient number, since it is larger than the sum of its proper divisors (193493739).

423504213 is a wasteful number, since it uses less digits than its factorization.

423504213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20676.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 423504213 is about 20579.2179880578. The cubic root of 423504213 is about 750.9642193989.

Adding to 423504213 its reverse (312405324), we get a palindrome (735909537).

The spelling of 423504213 in words is "four hundred twenty-three million, five hundred four thousand, two hundred thirteen".