445030123 has 4 divisors (see below), whose sum is σ = 445072320. Its totient is φ = 444987928.

The previous prime is 445030121. The next prime is 445030153. The reversal of 445030123 is 321030544.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 445030123 - 2¹ = 445030121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445030094 and 445030103.

It is not an unprimeable number, because it can be changed into a prime (445030121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10086 + ... + 31492.

It is an arithmetic number, because the mean of its divisors is an integer number (111268080).

Almost surely, 2^445030123 is an apocalyptic number.

445030123 is a deficient number, since it is larger than the sum of its proper divisors (42197).

445030123 is a wasteful number, since it uses less digits than its factorization.

445030123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42196.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 445030123 is about 21095.7370812209. The cubic root of 445030123 is about 763.4778985215.

Adding to 445030123 its reverse (321030544), we get a palindrome (766060667).

The spelling of 445030123 in words is "four hundred forty-five million, thirty thousand, one hundred twenty-three".