2223312211123 has 4 divisors (see below), whose sum is σ = 2223315531360. Its totient is φ = 2223308890888.

The previous prime is 2223312211117. The next prime is 2223312211129. The reversal of 2223312211123 is 3211122133222.

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

It is an interprime number because it is at equal distance from previous prime (2223312211117) and next prime (2223312211129).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2223312211123 is a prime.

It is a super-2 number, since 2×2223312211123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223312211129) 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, 264715 + ... + 2125252.

It is an arithmetic number, because the mean of its divisors is an integer number (555828882840).

Almost surely, 2^{2223312211123} is an apocalyptic number.

2223312211123 is a deficient number, since it is larger than the sum of its proper divisors (3320237).

2223312211123 is an equidigital number, since it uses as much as digits as its factorization.

2223312211123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320236.

The product of its digits is 1728, while the sum is 25.

Adding to 2223312211123 its reverse (3211122133222), we get a palindrome (5434434344345).

The spelling of 2223312211123 in words is "two trillion, two hundred twenty-three billion, three hundred twelve million, two hundred eleven thousand, one hundred twenty-three".