2320523505 has 32 divisors (see below), whose sum is σ = 4143928320. Its totient is φ = 1232046720.

The previous prime is 2320523503. The next prime is 2320523549. The reversal of 2320523505 is 5053250232.

It is not a de Polignac number, because 2320523505 - 2¹ = 2320523503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2320523503) 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, 8436 + ... + 68645.

It is an arithmetic number, because the mean of its divisors is an integer number (129497760).

Almost surely, 2^2320523505 is an apocalyptic number.

It is an amenable number.

2320523505 is a deficient number, since it is larger than the sum of its proper divisors (1823404815).

2320523505 is a wasteful number, since it uses less digits than its factorization.

2320523505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77318 (or 77312 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 2320523505 is about 48171.8123491321. The cubic root of 2320523505 is about 1323.9207549632.

Adding to 2320523505 its reverse (5053250232), we get a palindrome (7373773737).

It can be divided in two parts, 2320 and 523505, that added together give a triangular number (525825 = T₁₀₂₅).

The spelling of 2320523505 in words is "two billion, three hundred twenty million, five hundred twenty-three thousand, five hundred five".