2223122123 has 4 divisors (see below), whose sum is σ = 2224932240. Its totient is φ = 2221312008.

The previous prime is 2223122119. The next prime is 2223122129. The reversal of 2223122123 is 3212213222.

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 2223122123 - 2² = 2223122119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2223122095 and 2223122104.

It is not an unprimeable number, because it can be changed into a prime (2223122129) 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, 903215 + ... + 905672.

It is an arithmetic number, because the mean of its divisors is an integer number (556233060).

Almost surely, 2^2223122123 is an apocalyptic number.

2223122123 is a deficient number, since it is larger than the sum of its proper divisors (1810117).

2223122123 is a wasteful number, since it uses less digits than its factorization.

2223122123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810116.

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

The square root of 2223122123 is about 47149.9960021207. The cubic root of 2223122123 is about 1305.1320062392.

Adding to 2223122123 its reverse (3212213222), we get a palindrome (5435335345).

The spelling of 2223122123 in words is "two billion, two hundred twenty-three million, one hundred twenty-two thousand, one hundred twenty-three".