455321223 has 32 divisors (see below), whose sum is σ = 791761920. Its totient is φ = 253147680.

The previous prime is 455321219. The next prime is 455321233. The reversal of 455321223 is 322123554.

It is a happy number.

455321223 is a `hidden beast` number, since 4 + 5 + 532 + 122 + 3 = 666.

It is not a de Polignac number, because 455321223 - 2² = 455321219 is a prime.

It is a super-2 number, since 2×455321223² = 414634832228431458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455321233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25563 + ... + 39548.

It is an arithmetic number, because the mean of its divisors is an integer number (24742560).

Almost surely, 2^455321223 is an apocalyptic number.

455321223 is a deficient number, since it is larger than the sum of its proper divisors (336440697).

455321223 is a wasteful number, since it uses less digits than its factorization.

455321223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65164 (or 65158 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 455321223 is about 21338.2572624851. The cubic root of 455321223 is about 769.3181251898.

Adding to 455321223 its reverse (322123554), we get a palindrome (777444777).

The spelling of 455321223 in words is "four hundred fifty-five million, three hundred twenty-one thousand, two hundred twenty-three".