123122312223 has 16 divisors (see below), whose sum is σ = 164401036800. Its totient is φ = 81962646336.

The previous prime is 123122312219. The next prime is 123122312231. The reversal of 123122312223 is 322213221321.

It is not a de Polignac number, because 123122312223 - 2² = 123122312219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123122312193 and 123122312202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123122312123) 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 15 ways as a sum of consecutive naturals, for example, 7188636 + ... + 7205742.

It is an arithmetic number, because the mean of its divisors is an integer number (10275064800).

Almost surely, 2^123122312223 is an apocalyptic number.

123122312223 is a deficient number, since it is larger than the sum of its proper divisors (41278724577).

123122312223 is a wasteful number, since it uses less digits than its factorization.

123122312223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20446.

The product of its digits is 1728, while the sum is 24.

Adding to 123122312223 its reverse (322213221321), we get a palindrome (445335533544).

The spelling of 123122312223 in words is "one hundred twenty-three billion, one hundred twenty-two million, three hundred twelve thousand, two hundred twenty-three".