445530423 has 8 divisors (see below), whose sum is σ = 639736048. Its totient is φ = 274172544.

The previous prime is 445530391. The next prime is 445530457. The reversal of 445530423 is 324035544.

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

It is not a de Polignac number, because 445530423 - 2⁵ = 445530391 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 (445530523) 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, 5711890 + ... + 5711967.

It is an arithmetic number, because the mean of its divisors is an integer number (79967006).

Almost surely, 2^445530423 is an apocalyptic number.

445530423 is a deficient number, since it is larger than the sum of its proper divisors (194205625).

445530423 is a wasteful number, since it uses less digits than its factorization.

445530423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11423873.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 445530423 is about 21107.5915963901. The cubic root of 445530423 is about 763.7638903580.

Adding to 445530423 its reverse (324035544), we get a palindrome (769565967).

The spelling of 445530423 in words is "four hundred forty-five million, five hundred thirty thousand, four hundred twenty-three".