445040323 has 16 divisors (see below), whose sum is σ = 556728256. Its totient is φ = 346343040.

The previous prime is 445040279. The next prime is 445040341. The reversal of 445040323 is 323040544.

It is a cyclic number.

It is not a de Polignac number, because 445040323 - 2²⁵ = 411485891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445040353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34536 + ... + 45637.

It is an arithmetic number, because the mean of its divisors is an integer number (34795516).

Almost surely, 2^445040323 is an apocalyptic number.

445040323 is a deficient number, since it is larger than the sum of its proper divisors (111687933).

445040323 is a wasteful number, since it uses less digits than its factorization.

445040323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80254.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 445040323 is about 21095.9788348396. The cubic root of 445040323 is about 763.4837313963.

Adding to 445040323 its reverse (323040544), we get a palindrome (768080867).

The spelling of 445040323 in words is "four hundred forty-five million, forty thousand, three hundred twenty-three".