490438303123 has 2 divisors, whose sum is σ = 490438303124. Its totient is φ = 490438303122.

The previous prime is 490438302983. The next prime is 490438303181. The reversal of 490438303123 is 321303834094.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490438303123 is a prime.

It is not a weakly prime, because it can be changed into another prime (490438303723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245219151561 + 245219151562.

It is an arithmetic number, because the mean of its divisors is an integer number (245219151562).

Almost surely, 2^490438303123 is an apocalyptic number.

490438303123 is a deficient number, since it is larger than the sum of its proper divisors (1).

490438303123 is an equidigital number, since it uses as much as digits as its factorization.

490438303123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 490438303123 in words is "four hundred ninety billion, four hundred thirty-eight million, three hundred three thousand, one hundred twenty-three".