423632213 has 16 divisors (see below), whose sum is σ = 447552000. Its totient is φ = 400561920.

The previous prime is 423632201. The next prime is 423632243. The reversal of 423632213 is 312236324.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423632213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423632243) 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, 175388 + ... + 177786.

It is an arithmetic number, because the mean of its divisors is an integer number (27972000).

Almost surely, 2^423632213 is an apocalyptic number.

It is an amenable number.

423632213 is a deficient number, since it is larger than the sum of its proper divisors (23919787).

423632213 is a wasteful number, since it uses less digits than its factorization.

423632213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572.

The product of its digits is 5184, while the sum is 26.

The square root of 423632213 is about 20582.3276866345. The cubic root of 423632213 is about 751.0398689711.

Adding to 423632213 its reverse (312236324), we get a palindrome (735868537).

The spelling of 423632213 in words is "four hundred twenty-three million, six hundred thirty-two thousand, two hundred thirteen".