445653423 has 12 divisors (see below), whose sum is σ = 644992920. Its totient is φ = 296515536.

The previous prime is 445653413. The next prime is 445653443. The reversal of 445653423 is 324356544.

445653423 is a `hidden beast` number, since 44 + 565 + 34 + 23 = 666.

It is not a de Polignac number, because 445653423 - 2⁵ = 445653391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445653413) 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 11 ways as a sum of consecutive naturals, for example, 44061 + ... + 53222.

It is an arithmetic number, because the mean of its divisors is an integer number (53749410).

Almost surely, 2^445653423 is an apocalyptic number.

445653423 is a deficient number, since it is larger than the sum of its proper divisors (199339497).

445653423 is a wasteful number, since it uses less digits than its factorization.

445653423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97798 (or 97795 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 445653423 is about 21110.5050389611. The cubic root of 445653423 is about 763.8341693707.

The spelling of 445653423 in words is "four hundred forty-five million, six hundred fifty-three thousand, four hundred twenty-three".