520213023 has 20 divisors (see below), whose sum is σ = 847756008. Its totient is φ = 315280080.

The previous prime is 520213013. The next prime is 520213051. The reversal of 520213023 is 320312025.

It is not a de Polignac number, because 520213023 - 2²⁶ = 453104159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520212987 and 520213005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520213013) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 291036 + ... + 292817.

Almost surely, 2^520213023 is an apocalyptic number.

520213023 is a deficient number, since it is larger than the sum of its proper divisors (327542985).

520213023 is a wasteful number, since it uses less digits than its factorization.

520213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583876 (or 583867 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 520213023 is about 22808.1788619784. The cubic root of 520213023 is about 804.2549453244.

Adding to 520213023 its reverse (320312025), we get a palindrome (840525048).

It can be divided in two parts, 5202 and 13023, that added together give a square (18225 = 135²).

The spelling of 520213023 in words is "five hundred twenty million, two hundred thirteen thousand, twenty-three".