2320543011 has 4 divisors (see below), whose sum is σ = 3094057352. Its totient is φ = 1547028672.

The previous prime is 2320543007. The next prime is 2320543019. The reversal of 2320543011 is 1103450232.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2320543011 - 2² = 2320543007 is a prime.

It is a super-2 number, since 2×2320543011² = 10769839731801892242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2320543019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386757166 + ... + 386757171.

It is an arithmetic number, because the mean of its divisors is an integer number (773514338).

Almost surely, 2^2320543011 is an apocalyptic number.

2320543011 is a deficient number, since it is larger than the sum of its proper divisors (773514341).

2320543011 is an equidigital number, since it uses as much as digits as its factorization.

2320543011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773514340.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2320543011 is about 48172.0148115065. The cubic root of 2320543011 is about 1323.9244645178.

Adding to 2320543011 its reverse (1103450232), we get a palindrome (3423993243).

The spelling of 2320543011 in words is "two billion, three hundred twenty million, five hundred forty-three thousand, eleven".