445205323 has 8 divisors (see below), whose sum is σ = 452984400. Its totient is φ = 437488128.

The previous prime is 445205311. The next prime is 445205357. The reversal of 445205323 is 323502544.

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

It is a cyclic number.

It is not a de Polignac number, because 445205323 - 2¹⁷ = 445074251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445205291 and 445205300.

It is not an unprimeable number, because it can be changed into a prime (445205363) 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, 838 + ... + 29851.

It is an arithmetic number, because the mean of its divisors is an integer number (56623050).

Almost surely, 2^445205323 is an apocalyptic number.

445205323 is a deficient number, since it is larger than the sum of its proper divisors (7779077).

445205323 is a wasteful number, since it uses less digits than its factorization.

445205323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30941.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 445205323 is about 21099.8891703250. The cubic root of 445205323 is about 763.5780743460.

Adding to 445205323 its reverse (323502544), we get a palindrome (768707867).

The spelling of 445205323 in words is "four hundred forty-five million, two hundred five thousand, three hundred twenty-three".