451424223 has 12 divisors (see below), whose sum is σ = 652287480. Its totient is φ = 300843216.

The previous prime is 451424147. The next prime is 451424261. The reversal of 451424223 is 322424154.

It is not a de Polignac number, because 451424223 - 2²⁰ = 450375647 is a prime.

It is a super-2 number, since 2×451424223² = 407567658222307458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451424293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24765 + ... + 38937.

It is an arithmetic number, because the mean of its divisors is an integer number (54357290).

Almost surely, 2^451424223 is an apocalyptic number.

451424223 is a deficient number, since it is larger than the sum of its proper divisors (200863257).

451424223 is a wasteful number, since it uses less digits than its factorization.

451424223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17718 (or 17715 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 451424223 is about 21246.7461744146. The cubic root of 451424223 is about 767.1170221258.

Adding to 451424223 its reverse (322424154), we get a palindrome (773848377).

The spelling of 451424223 in words is "four hundred fifty-one million, four hundred twenty-four thousand, two hundred twenty-three".