123422123 has 4 divisors (see below), whose sum is σ = 134642328. Its totient is φ = 112201920.

The previous prime is 123422087. The next prime is 123422203. The reversal of 123422123 is 321224321.

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 123422123 - 2⁸ = 123421867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123422095 and 123422104.

It is not an unprimeable number, because it can be changed into a prime (123422323) 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, 5610086 + ... + 5610107.

It is an arithmetic number, because the mean of its divisors is an integer number (33660582).

Almost surely, 2^123422123 is an apocalyptic number.

123422123 is a deficient number, since it is larger than the sum of its proper divisors (11220205).

123422123 is a wasteful number, since it uses less digits than its factorization.

123422123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11220204.

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

The square root of 123422123 is about 11109.5509810253. The cubic root of 123422123 is about 497.8872491419.

Adding to 123422123 its reverse (321224321), we get a palindrome (444646444).

The spelling of 123422123 in words is "one hundred twenty-three million, four hundred twenty-two thousand, one hundred twenty-three".