123222123 has 6 divisors (see below), whose sum is σ = 177987524. Its totient is φ = 82148076.

The previous prime is 123222089. The next prime is 123222139. The reversal of 123222123 is 321222321.

It is not a de Polignac number, because 123222123 - 2¹² = 123218027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123222096 and 123222105.

It is not an unprimeable number, because it can be changed into a prime (123222023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6845665 + ... + 6845682.

Almost surely, 2^123222123 is an apocalyptic number.

123222123 is a deficient number, since it is larger than the sum of its proper divisors (54765401).

123222123 is a wasteful number, since it uses less digits than its factorization.

123222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13691353 (or 13691350 counting only the distinct ones).

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

The square root of 123222123 is about 11100.5460676491. The cubic root of 123222123 is about 497.6181691131.

Adding to 123222123 its reverse (321222321), we get a palindrome (444444444).

The spelling of 123222123 in words is "one hundred twenty-three million, two hundred twenty-two thousand, one hundred twenty-three".