50123 has 2 divisors, whose sum is σ = 50124. Its totient is φ = 50122.

The previous prime is 50119. The next prime is 50129. The reversal of 50123 is 32105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50123 - 2² = 50119 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (50129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25061 + 25062.

It is an arithmetic number, because the mean of its divisors is an integer number (25062).

2⁵⁰¹²³ is an apocalyptic number.

50123 is a deficient number, since it is larger than the sum of its proper divisors (1).

50123 is an equidigital number, since it uses as much as digits as its factorization.

50123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 50123 is about 223.8816651716. The cubic root of 50123 is about 36.8704993071.

Adding to 50123 its reverse (32105), we get a palindrome (82228).

The spelling of 50123 in words is "fifty thousand, one hundred twenty-three".