66414323 has 4 divisors (see below), whose sum is σ = 67349808. Its totient is φ = 65478840.

The previous prime is 66414311. The next prime is 66414347. The reversal of 66414323 is 32341466.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66414323 - 2¹⁰ = 66413299 is a prime.

It is a super-3 number, since 3×66414323³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66414373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467636 + ... + 467777.

It is an arithmetic number, because the mean of its divisors is an integer number (16837452).

Almost surely, 2^66414323 is an apocalyptic number.

66414323 is a deficient number, since it is larger than the sum of its proper divisors (935485).

66414323 is an equidigital number, since it uses as much as digits as its factorization.

66414323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935484.

The product of its digits is 10368, while the sum is 29.

The square root of 66414323 is about 8149.4983281181. The cubic root of 66414323 is about 404.9678844625.

Adding to 66414323 its reverse (32341466), we get a palindrome (98755789).

The spelling of 66414323 in words is "sixty-six million, four hundred fourteen thousand, three hundred twenty-three".