520224122423 has 2 divisors, whose sum is σ = 520224122424. Its totient is φ = 520224122422.

The previous prime is 520224122381. The next prime is 520224122437. The reversal of 520224122423 is 324221422025.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520224122423 - 2⁶ = 520224122359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520224122923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260112061211 + 260112061212.

It is an arithmetic number, because the mean of its divisors is an integer number (260112061212).

Almost surely, 2^520224122423 is an apocalyptic number.

520224122423 is a deficient number, since it is larger than the sum of its proper divisors (1).

520224122423 is an equidigital number, since it uses as much as digits as its factorization.

520224122423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 520224122423 its reverse (324221422025), we get a palindrome (844445544448).

The spelling of 520224122423 in words is "five hundred twenty billion, two hundred twenty-four million, one hundred twenty-two thousand, four hundred twenty-three".