454431223 has 2 divisors, whose sum is σ = 454431224. Its totient is φ = 454431222.

The previous prime is 454431209. The next prime is 454431239. The reversal of 454431223 is 322134454.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454431223 - 2⁵ = 454431191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 454431191 and 454431200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454434223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227215611 + 227215612.

It is an arithmetic number, because the mean of its divisors is an integer number (227215612).

Almost surely, 2^454431223 is an apocalyptic number.

454431223 is a deficient number, since it is larger than the sum of its proper divisors (1).

454431223 is an equidigital number, since it uses as much as digits as its factorization.

454431223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 28.

The square root of 454431223 is about 21317.3925000221. The cubic root of 454431223 is about 768.8165454281.

Adding to 454431223 its reverse (322134454), we get a palindrome (776565677).

The spelling of 454431223 in words is "four hundred fifty-four million, four hundred thirty-one thousand, two hundred twenty-three".