455244423 has 4 divisors (see below), whose sum is σ = 606992568. Its totient is φ = 303496280.

The previous prime is 455244379. The next prime is 455244437. The reversal of 455244423 is 324442554.

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 455244423 - 2¹⁶ = 455178887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455244463) 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, 75874068 + ... + 75874073.

It is an arithmetic number, because the mean of its divisors is an integer number (151748142).

Almost surely, 2^455244423 is an apocalyptic number.

455244423 is a deficient number, since it is larger than the sum of its proper divisors (151748145).

455244423 is a wasteful number, since it uses less digits than its factorization.

455244423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151748144.

The product of its digits is 76800, while the sum is 33.

The square root of 455244423 is about 21336.4576019545. The cubic root of 455244423 is about 769.2748685823.

Adding to 455244423 its reverse (324442554), we get a palindrome (779686977).

The spelling of 455244423 in words is "four hundred fifty-five million, two hundred forty-four thousand, four hundred twenty-three".