2122223123 has 4 divisors (see below), whose sum is σ = 2157013728. Its totient is φ = 2087432520.

The previous prime is 2122223053. The next prime is 2122223167. The reversal of 2122223123 is 3213222212.

It is a happy number.

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 2122223123 - 2¹⁰ = 2122222099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122223095 and 2122223104.

It is not an unprimeable number, because it can be changed into a prime (2122220123) 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, 17395211 + ... + 17395332.

It is an arithmetic number, because the mean of its divisors is an integer number (539253432).

Almost surely, 2^2122223123 is an apocalyptic number.

2122223123 is a deficient number, since it is larger than the sum of its proper divisors (34790605).

2122223123 is an equidigital number, since it uses as much as digits as its factorization.

2122223123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34790604.

The product of its digits is 576, while the sum is 20.

The square root of 2122223123 is about 46067.5929803153. The cubic root of 2122223123 is about 1285.0805408092.

Adding to 2122223123 its reverse (3213222212), we get a palindrome (5335445335).

The spelling of 2122223123 in words is "two billion, one hundred twenty-two million, two hundred twenty-three thousand, one hundred twenty-three".