445052423 has 4 divisors (see below), whose sum is σ = 445410000. Its totient is φ = 444694848.

The previous prime is 445052411. The next prime is 445052437. The reversal of 445052423 is 324250544.

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 445052423 - 2¹⁸ = 444790279 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 (444052423) 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, 176915 + ... + 179412.

It is an arithmetic number, because the mean of its divisors is an integer number (111352500).

Almost surely, 2^445052423 is an apocalyptic number.

445052423 is a deficient number, since it is larger than the sum of its proper divisors (357577).

445052423 is a wasteful number, since it uses less digits than its factorization.

445052423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357576.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 445052423 is about 21096.2656174025. The cubic root of 445052423 is about 763.4906506715.

The spelling of 445052423 in words is "four hundred forty-five million, fifty-two thousand, four hundred twenty-three".