455501023 has 4 divisors (see below), whose sum is σ = 457055928. Its totient is φ = 453946120.

The previous prime is 455500987. The next prime is 455501047. The reversal of 455501023 is 320105554.

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 455501023 - 2¹³ = 455492831 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 (455501323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777013 + ... + 777598.

It is an arithmetic number, because the mean of its divisors is an integer number (114263982).

Almost surely, 2^455501023 is an apocalyptic number.

455501023 is a deficient number, since it is larger than the sum of its proper divisors (1554905).

455501023 is a wasteful number, since it uses less digits than its factorization.

455501023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554904.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 455501023 is about 21342.4699367248. The cubic root of 455501023 is about 769.4193761957.

Adding to 455501023 its reverse (320105554), we get a palindrome (775606577).

The spelling of 455501023 in words is "four hundred fifty-five million, five hundred one thousand, twenty-three".