286040123 has 2 divisors, whose sum is σ = 286040124. Its totient is φ = 286040122.

The previous prime is 286040107. The next prime is 286040159. The reversal of 286040123 is 321040682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 286040123 - 2⁴ = 286040107 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 286040092 and 286040101.

It is not a weakly prime, because it can be changed into another prime (286040173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143020061 + 143020062.

It is an arithmetic number, because the mean of its divisors is an integer number (143020062).

Almost surely, 2^286040123 is an apocalyptic number.

286040123 is a deficient number, since it is larger than the sum of its proper divisors (1).

286040123 is an equidigital number, since it uses as much as digits as its factorization.

286040123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 286040123 is about 16912.7207450487. The cubic root of 286040123 is about 658.8840362313.

The spelling of 286040123 in words is "two hundred eighty-six million, forty thousand, one hundred twenty-three".