455520020303023 has 16 divisors (see below), whose sum is σ = 498620110770432. Its totient is φ = 413571872160000.

The previous prime is 455520020302967. The next prime is 455520020303069. The reversal of 455520020303023 is 320303020025554.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455520020303023 is a prime.

It is a super-2 number, since 2×455520020303023² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 455520020303023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455520020303723) 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, 11423163 + ... + 32272723.

It is an arithmetic number, because the mean of its divisors is an integer number (31163756923152).

Almost surely, 2^{455520020303023} is an apocalyptic number.

455520020303023 is a deficient number, since it is larger than the sum of its proper divisors (43100090467409).

455520020303023 is a wasteful number, since it uses less digits than its factorization.

455520020303023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20877186.

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 455520020303023 its reverse (320303020025554), we get a palindrome (775823040328577).

The spelling of 455520020303023 in words is "four hundred fifty-five trillion, five hundred twenty billion, twenty million, three hundred three thousand, twenty-three".