520771323 has 32 divisors (see below), whose sum is σ = 752716800. Its totient is φ = 319195296.

The previous prime is 520771301. The next prime is 520771331. The reversal of 520771323 is 323177025.

It is not a de Polignac number, because 520771323 - 2⁵ = 520771291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520771373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438136 + ... + 439322.

It is an arithmetic number, because the mean of its divisors is an integer number (23522400).

Almost surely, 2^520771323 is an apocalyptic number.

520771323 is a deficient number, since it is larger than the sum of its proper divisors (231945477).

520771323 is a wasteful number, since it uses less digits than its factorization.

520771323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 520771323 is about 22820.4146106069. The cubic root of 520771323 is about 804.5425550675.

The spelling of 520771323 in words is "five hundred twenty million, seven hundred seventy-one thousand, three hundred twenty-three".