445256023 has 4 divisors (see below), whose sum is σ = 456115968. Its totient is φ = 434396080.

The previous prime is 445256003. The next prime is 445256033. The reversal of 445256023 is 320652544.

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 445256023 - 2⁵ = 445255991 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 (445256003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5429911 + ... + 5429992.

It is an arithmetic number, because the mean of its divisors is an integer number (114028992).

Almost surely, 2^445256023 is an apocalyptic number.

445256023 is a deficient number, since it is larger than the sum of its proper divisors (10859945).

445256023 is a wasteful number, since it uses less digits than its factorization.

445256023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10859944.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 445256023 is about 21101.0905642339. The cubic root of 445256023 is about 763.6070586797.

The spelling of 445256023 in words is "four hundred forty-five million, two hundred fifty-six thousand, twenty-three".