520362106123 has 4 divisors (see below), whose sum is σ = 520439906520. Its totient is φ = 520284305728.

The previous prime is 520362106081. The next prime is 520362106151. The reversal of 520362106123 is 321601263025.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 520362106123 - 2¹⁷ = 520361975051 is a prime.

It is a super-2 number, since 2×520362106123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520362106153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38890165 + ... + 38903542.

It is an arithmetic number, because the mean of its divisors is an integer number (130109976630).

Almost surely, 2^520362106123 is an apocalyptic number.

520362106123 is a deficient number, since it is larger than the sum of its proper divisors (77800397).

520362106123 is an equidigital number, since it uses as much as digits as its factorization.

520362106123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77800396.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 520362106123 its reverse (321601263025), we get a palindrome (841963369148).

The spelling of 520362106123 in words is "five hundred twenty billion, three hundred sixty-two million, one hundred six thousand, one hundred twenty-three".