2420340223 has 4 divisors (see below), whose sum is σ = 2766103120. Its totient is φ = 2074577328.

The previous prime is 2420340211. The next prime is 2420340281. The reversal of 2420340223 is 3220430242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3220430242 = 2 ⋅1610215121.

It is a cyclic number.

It is not a de Polignac number, because 2420340223 - 2⁵ = 2420340191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2420340194 and 2420340203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420340323) 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, 172881438 + ... + 172881451.

It is an arithmetic number, because the mean of its divisors is an integer number (691525780).

Almost surely, 2^2420340223 is an apocalyptic number.

2420340223 is a deficient number, since it is larger than the sum of its proper divisors (345762897).

2420340223 is an equidigital number, since it uses as much as digits as its factorization.

2420340223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345762896.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2420340223 is about 49196.9533914449. The cubic root of 2420340223 is about 1342.6376026066.

Adding to 2420340223 its reverse (3220430242), we get a palindrome (5640770465).

The spelling of 2420340223 in words is "two billion, four hundred twenty million, three hundred forty thousand, two hundred twenty-three".