520132323 has 16 divisors (see below), whose sum is σ = 745269120. Its totient is φ = 321484416.

The previous prime is 520132321. The next prime is 520132351. The reversal of 520132323 is 323231025.

It is not a de Polignac number, because 520132323 - 2¹ = 520132321 is a prime.

It is a super-4 number, since 4×520132323⁴ (a number of 36 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 520132323.

It is not an unprimeable number, because it can be changed into a prime (520132321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72693 + ... + 79526.

It is an arithmetic number, because the mean of its divisors is an integer number (46579320).

Almost surely, 2^520132323 is an apocalyptic number.

520132323 is a deficient number, since it is larger than the sum of its proper divisors (225136797).

520132323 is a wasteful number, since it uses less digits than its factorization.

520132323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152306.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 520132323 is about 22806.4096911373. The cubic root of 520132323 is about 804.2133554835.

Adding to 520132323 its reverse (323231025), we get a palindrome (843363348).

The spelling of 520132323 in words is "five hundred twenty million, one hundred thirty-two thousand, three hundred twenty-three".