2720615223 has 4 divisors (see below), whose sum is σ = 3627486968. Its totient is φ = 1813743480.

The previous prime is 2720615207. The next prime is 2720615231. The reversal of 2720615223 is 3225160272.

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

It is not a de Polignac number, because 2720615223 - 2⁴ = 2720615207 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 (2720615243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453435868 + ... + 453435873.

It is an arithmetic number, because the mean of its divisors is an integer number (906871742).

Almost surely, 2^2720615223 is an apocalyptic number.

2720615223 is a deficient number, since it is larger than the sum of its proper divisors (906871745).

2720615223 is an equidigital number, since it uses as much as digits as its factorization.

2720615223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906871744.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2720615223 is about 52159.5170894056. The cubic root of 2720615223 is about 1396.0116457774.

Adding to 2720615223 its reverse (3225160272), we get a palindrome (5945775495).

The spelling of 2720615223 in words is "two billion, seven hundred twenty million, six hundred fifteen thousand, two hundred twenty-three".