2320162543 has 4 divisors (see below), whose sum is σ = 2395006528. Its totient is φ = 2245318560.

The previous prime is 2320162531. The next prime is 2320162549. The reversal of 2320162543 is 3452610232.

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 2320162543 - 2¹⁷ = 2320031471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320162549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37421946 + ... + 37422007.

It is an arithmetic number, because the mean of its divisors is an integer number (598751632).

Almost surely, 2^2320162543 is an apocalyptic number.

2320162543 is a deficient number, since it is larger than the sum of its proper divisors (74843985).

2320162543 is an equidigital number, since it uses as much as digits as its factorization.

2320162543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74843984.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2320162543 is about 48168.0655932953. The cubic root of 2320162543 is about 1323.8521052435.

Adding to 2320162543 its reverse (3452610232), we get a palindrome (5772772775).

The spelling of 2320162543 in words is "two billion, three hundred twenty million, one hundred sixty-two thousand, five hundred forty-three".