445200023 has 4 divisors (see below), whose sum is σ = 447047568. Its totient is φ = 443352480.

The previous prime is 445200013. The next prime is 445200073. The reversal of 445200023 is 320002544.

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 445200023 - 2¹⁸ = 444937879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445199968 and 445200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445200013) 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, 923411 + ... + 923892.

It is an arithmetic number, because the mean of its divisors is an integer number (111761892).

Almost surely, 2^445200023 is an apocalyptic number.

445200023 is a deficient number, since it is larger than the sum of its proper divisors (1847545).

445200023 is a wasteful number, since it uses less digits than its factorization.

445200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847544.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 445200023 is about 21099.7635768745. The cubic root of 445200023 is about 763.5750442985.

Adding to 445200023 its reverse (320002544), we get a palindrome (765202567).

The spelling of 445200023 in words is "four hundred forty-five million, two hundred thousand, twenty-three".