457830823 has 2 divisors, whose sum is σ = 457830824. Its totient is φ = 457830822.

The previous prime is 457830799. The next prime is 457830853. The reversal of 457830823 is 328038754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457830823 - 2¹⁷ = 457699751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457830853) 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, 228915411 + 228915412.

It is an arithmetic number, because the mean of its divisors is an integer number (228915412).

Almost surely, 2^457830823 is an apocalyptic number.

457830823 is a deficient number, since it is larger than the sum of its proper divisors (1).

457830823 is an equidigital number, since it uses as much as digits as its factorization.

457830823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 457830823 is about 21396.9816329313. The cubic root of 457830823 is about 770.7289566144.

The spelling of 457830823 in words is "four hundred fifty-seven million, eight hundred thirty thousand, eight hundred twenty-three".