123122223 has 24 divisors (see below), whose sum is σ = 213948800. Its totient is φ = 66651984.

The previous prime is 123122189. The next prime is 123122231. The reversal of 123122223 is 322221321.

It is not a de Polignac number, because 123122223 - 2⁹ = 123121711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123122196 and 123122205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123122323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50233 + ... + 52626.

Almost surely, 2^123122223 is an apocalyptic number.

123122223 is a deficient number, since it is larger than the sum of its proper divisors (90826577).

123122223 is a wasteful number, since it uses less digits than its factorization.

123122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102891 (or 102888 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 123122223 is about 11096.0453766195. The cubic root of 123122223 is about 497.4836545895.

Adding to 123122223 its reverse (322221321), we get a palindrome (445343544).

It can be divided in two parts, 12312 and 2223, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 123122223 in words is "one hundred twenty-three million, one hundred twenty-two thousand, two hundred twenty-three".