2220312323 has 4 divisors (see below), whose sum is σ = 2230008240. Its totient is φ = 2210616408.

The previous prime is 2220312313. The next prime is 2220312331. The reversal of 2220312323 is 3232130222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3232130222 = 2 ⋅1616065111.

It is a cyclic number.

It is not a de Polignac number, because 2220312323 - 2⁸ = 2220312067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220312295 and 2220312304.

It is not an unprimeable number, because it can be changed into a prime (2220312313) 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, 4847615 + ... + 4848072.

It is an arithmetic number, because the mean of its divisors is an integer number (557502060).

Almost surely, 2^2220312323 is an apocalyptic number.

2220312323 is a deficient number, since it is larger than the sum of its proper divisors (9695917).

2220312323 is an equidigital number, since it uses as much as digits as its factorization.

2220312323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9695916.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2220312323 is about 47120.1901842512. The cubic root of 2220312323 is about 1304.5819231029.

Adding to 2220312323 its reverse (3232130222), we get a palindrome (5452442545).

The spelling of 2220312323 in words is "two billion, two hundred twenty million, three hundred twelve thousand, three hundred twenty-three".