522023123 has 2 divisors, whose sum is σ = 522023124. Its totient is φ = 522023122.

The previous prime is 522023101. The next prime is 522023189. The reversal of 522023123 is 321320225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 522023123 - 2⁸ = 522022867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 522023095 and 522023104.

It is not a weakly prime, because it can be changed into another prime (522023323) 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, 261011561 + 261011562.

It is an arithmetic number, because the mean of its divisors is an integer number (261011562).

Almost surely, 2^522023123 is an apocalyptic number.

522023123 is a deficient number, since it is larger than the sum of its proper divisors (1).

522023123 is an equidigital number, since it uses as much as digits as its factorization.

522023123 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 522023123 is about 22847.8253450958. The cubic root of 522023123 is about 805.1866768694.

Adding to 522023123 its reverse (321320225), we get a palindrome (843343348).

The spelling of 522023123 in words is "five hundred twenty-two million, twenty-three thousand, one hundred twenty-three".