500890123 has 2 divisors, whose sum is σ = 500890124. Its totient is φ = 500890122.

The previous prime is 500890079. The next prime is 500890147. The reversal of 500890123 is 321098005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 500890123 - 2⁹ = 500889611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 500890091 and 500890100.

It is not a weakly prime, because it can be changed into another prime (500890183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250445061 + 250445062.

It is an arithmetic number, because the mean of its divisors is an integer number (250445062).

Almost surely, 2^500890123 is an apocalyptic number.

500890123 is a deficient number, since it is larger than the sum of its proper divisors (1).

500890123 is an equidigital number, since it uses as much as digits as its factorization.

500890123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 500890123 is about 22380.5746798423. The cubic root of 500890123 is about 794.1712408273.

The spelling of 500890123 in words is "five hundred million, eight hundred ninety thousand, one hundred twenty-three".