454213223 has 4 divisors (see below), whose sum is σ = 473961648. Its totient is φ = 434464800.

The previous prime is 454213213. The next prime is 454213231. The reversal of 454213223 is 322312454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322312454 = 2 ⋅161156227.

It is a cyclic number.

It is not a de Polignac number, because 454213223 - 2¹² = 454209127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 454213192 and 454213201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454213213) 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, 9874178 + ... + 9874223.

It is an arithmetic number, because the mean of its divisors is an integer number (118490412).

Almost surely, 2^454213223 is an apocalyptic number.

454213223 is a deficient number, since it is larger than the sum of its proper divisors (19748425).

454213223 is a wasteful number, since it uses less digits than its factorization.

454213223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19748424.

The product of its digits is 5760, while the sum is 26.

The square root of 454213223 is about 21312.2786909331. The cubic root of 454213223 is about 768.6935867300.

Adding to 454213223 its reverse (322312454), we get a palindrome (776525677).

The spelling of 454213223 in words is "four hundred fifty-four million, two hundred thirteen thousand, two hundred twenty-three".