350420123 has 2 divisors, whose sum is σ = 350420124. Its totient is φ = 350420122.

The previous prime is 350420093. The next prime is 350420129. The reversal of 350420123 is 321024053.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 350420123 - 2²² = 346225819 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 350420095 and 350420104.

It is not a weakly prime, because it can be changed into another prime (350420129) 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, 175210061 + 175210062.

It is an arithmetic number, because the mean of its divisors is an integer number (175210062).

Almost surely, 2^350420123 is an apocalyptic number.

350420123 is a deficient number, since it is larger than the sum of its proper divisors (1).

350420123 is an equidigital number, since it uses as much as digits as its factorization.

350420123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 350420123 is about 18719.5118258997. The cubic root of 350420123 is about 705.0117349622.

Adding to 350420123 its reverse (321024053), we get a palindrome (671444176).

The spelling of 350420123 in words is "three hundred fifty million, four hundred twenty thousand, one hundred twenty-three".