2320523531 has 4 divisors (see below), whose sum is σ = 2344446552. Its totient is φ = 2296600512.

The previous prime is 2320523503. The next prime is 2320523549. The reversal of 2320523531 is 1353250232.

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 2320523531 - 2¹⁸ = 2320261387 is a prime.

It is a super-2 number, since 2×2320523531² = 10769658915849415922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2320523531.

It is not an unprimeable number, because it can be changed into a prime (2320523431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11961365 + ... + 11961558.

It is an arithmetic number, because the mean of its divisors is an integer number (586111638).

Almost surely, 2^2320523531 is an apocalyptic number.

2320523531 is a deficient number, since it is larger than the sum of its proper divisors (23923021).

2320523531 is an equidigital number, since it uses as much as digits as its factorization.

2320523531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23923020.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2320523531 is about 48171.8126189995. The cubic root of 2320523531 is about 1323.9207599078.

Adding to 2320523531 its reverse (1353250232), we get a palindrome (3673773763).

The spelling of 2320523531 in words is "two billion, three hundred twenty million, five hundred twenty-three thousand, five hundred thirty-one".