66454323 has 8 divisors (see below), whose sum is σ = 95421648. Its totient is φ = 40894944.

The previous prime is 66454321. The next prime is 66454327. The reversal of 66454323 is 32345466.

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

It is not a de Polignac number, because 66454323 - 2¹ = 66454321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66454321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851940 + ... + 852017.

It is an arithmetic number, because the mean of its divisors is an integer number (11927706).

Almost surely, 2^66454323 is an apocalyptic number.

66454323 is a deficient number, since it is larger than the sum of its proper divisors (28967325).

66454323 is a wasteful number, since it uses less digits than its factorization.

66454323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703973.

The product of its digits is 51840, while the sum is 33.

The square root of 66454323 is about 8151.9520975040. The cubic root of 66454323 is about 405.0491694609.

Adding to 66454323 its reverse (32345466), we get a palindrome (98799789).

The spelling of 66454323 in words is "sixty-six million, four hundred fifty-four thousand, three hundred twenty-three".