455017023 has 12 divisors (see below), whose sum is σ = 663629200. Its totient is φ = 300398976.

The previous prime is 455016979. The next prime is 455017037. The reversal of 455017023 is 320710554.

It is a happy number.

It is not a de Polignac number, because 455017023 - 2⁹ = 455016511 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 (455017723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244498 + ... + 246351.

Almost surely, 2^455017023 is an apocalyptic number.

455017023 is a deficient number, since it is larger than the sum of its proper divisors (208612177).

455017023 is a wasteful number, since it uses less digits than its factorization.

455017023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490958 (or 490955 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 455017023 is about 21331.1280292440. The cubic root of 455017023 is about 769.1467599360.

Adding to 455017023 its reverse (320710554), we get a palindrome (775727577).

The spelling of 455017023 in words is "four hundred fifty-five million, seventeen thousand, twenty-three".