423216414 has 80 divisors (see below), whose sum is σ = 974959920. Its totient is φ = 137168640.

The previous prime is 423216373. The next prime is 423216439. The reversal of 423216414 is 414612324.

It is a happy number.

423216414 is a `hidden beast` number, since 4 + 232 + 16 + 414 = 666.

It is a super-2 number, since 2×423216414² = 358224266158038792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1116477 + ... + 1116855.

It is an arithmetic number, because the mean of its divisors is an integer number (12186999).

Almost surely, 2^423216414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423216414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487479960).

423216414 is an abundant number, since it is smaller than the sum of its proper divisors (551743506).

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

423216414 is a wasteful number, since it uses less digits than its factorization.

423216414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567 (or 558 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 423216414 is about 20572.2243328231. The cubic root of 423216414 is about 750.7940709717.

Adding to 423216414 its reverse (414612324), we get a palindrome (837828738).

The spelling of 423216414 in words is "four hundred twenty-three million, two hundred sixteen thousand, four hundred fourteen".