454686823 has 2 divisors, whose sum is σ = 454686824. Its totient is φ = 454686822.

The previous prime is 454686809. The next prime is 454686847. The reversal of 454686823 is 328686454.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454686823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454686893) 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 as a sum of consecutive naturals, namely, 227343411 + 227343412.

It is an arithmetic number, because the mean of its divisors is an integer number (227343412).

Almost surely, 2^454686823 is an apocalyptic number.

454686823 is a deficient number, since it is larger than the sum of its proper divisors (1).

454686823 is an equidigital number, since it uses as much as digits as its factorization.

454686823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 46.

The square root of 454686823 is about 21323.3867619569. The cubic root of 454686823 is about 768.9606616094.

The spelling of 454686823 in words is "four hundred fifty-four million, six hundred eighty-six thousand, eight hundred twenty-three".