455444423 has 16 divisors (see below), whose sum is σ = 539343360. Its totient is φ = 376505376.

The previous prime is 455444393. The next prime is 455444447. The reversal of 455444423 is 324444554.

It is a cyclic number.

It is not a de Polignac number, because 455444423 - 2¹⁶ = 455378887 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 (455444023) 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, 11486 + ... + 32292.

It is an arithmetic number, because the mean of its divisors is an integer number (33708960).

Almost surely, 2^455444423 is an apocalyptic number.

455444423 is a deficient number, since it is larger than the sum of its proper divisors (83898937).

455444423 is a wasteful number, since it uses less digits than its factorization.

455444423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20926.

The product of its digits is 153600, while the sum is 35.

The square root of 455444423 is about 21341.1439009253. The cubic root of 455444423 is about 769.3875058387.

Adding to 455444423 its reverse (324444554), we get a palindrome (779888977).

The spelling of 455444423 in words is "four hundred fifty-five million, four hundred forty-four thousand, four hundred twenty-three".