490454023 has 2 divisors, whose sum is σ = 490454024. Its totient is φ = 490454022.

The previous prime is 490453987. The next prime is 490454033. The reversal of 490454023 is 320454094.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490454023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490454033) 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, 245227011 + 245227012.

It is an arithmetic number, because the mean of its divisors is an integer number (245227012).

Almost surely, 2^490454023 is an apocalyptic number.

490454023 is a deficient number, since it is larger than the sum of its proper divisors (1).

490454023 is an equidigital number, since it uses as much as digits as its factorization.

490454023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 490454023 is about 22146.1965809030. The cubic root of 490454023 is about 788.6169375438.

The spelling of 490454023 in words is "four hundred ninety million, four hundred fifty-four thousand, twenty-three".