423521214 has 8 divisors (see below), whose sum is σ = 847042440. Its totient is φ = 141173736.

The previous prime is 423521213. The next prime is 423521227. The reversal of 423521214 is 412125324.

It is a sphenic number, since it is the product of 3 distinct primes.

423521214 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423521213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35293429 + ... + 35293440.

It is an arithmetic number, because the mean of its divisors is an integer number (105880305).

Almost surely, 2^423521214 is an apocalyptic number.

423521214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423521214 is a wasteful number, since it uses less digits than its factorization.

423521214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70586874.

The product of its digits is 1920, while the sum is 24.

The square root of 423521214 is about 20579.6310462554. The cubic root of 423521214 is about 750.9742680765.

Adding to 423521214 its reverse (412125324), we get a palindrome (835646538).

The spelling of 423521214 in words is "four hundred twenty-three million, five hundred twenty-one thousand, two hundred fourteen".