454640323 has 2 divisors, whose sum is σ = 454640324. Its totient is φ = 454640322.

The previous prime is 454640317. The next prime is 454640357. The reversal of 454640323 is 323046454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454640323 - 2⁹ = 454639811 is a prime.

It is not a weakly prime, because it can be changed into another prime (454640623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227320161 + 227320162.

It is an arithmetic number, because the mean of its divisors is an integer number (227320162).

Almost surely, 2^454640323 is an apocalyptic number.

454640323 is a deficient number, since it is larger than the sum of its proper divisors (1).

454640323 is an equidigital number, since it uses as much as digits as its factorization.

454640323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 454640323 is about 21322.2963819566. The cubic root of 454640323 is about 768.9344473098.

Adding to 454640323 its reverse (323046454), we get a palindrome (777686777).

The spelling of 454640323 in words is "four hundred fifty-four million, six hundred forty thousand, three hundred twenty-three".