445322423 has 16 divisors (see below), whose sum is σ = 548740416. Its totient is φ = 351924480.

The previous prime is 445322413. The next prime is 445322459. The reversal of 445322423 is 324223544.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 445322423 - 2⁶ = 445322359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445322413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90515 + ... + 95307.

It is an arithmetic number, because the mean of its divisors is an integer number (34296276).

Almost surely, 2^445322423 is an apocalyptic number.

445322423 is a deficient number, since it is larger than the sum of its proper divisors (103417993).

445322423 is a wasteful number, since it uses less digits than its factorization.

445322423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834.

The product of its digits is 23040, while the sum is 29.

The square root of 445322423 is about 21102.6638839745. The cubic root of 445322423 is about 763.6450151106.

Adding to 445322423 its reverse (324223544), we get a palindrome (769545967).

The spelling of 445322423 in words is "four hundred forty-five million, three hundred twenty-two thousand, four hundred twenty-three".