123223223 has 4 divisors (see below), whose sum is σ = 124313808. Its totient is φ = 122132640.

The previous prime is 123223207. The next prime is 123223249. The reversal of 123223223 is 322322321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322322321 = 71 ⋅4539751.

It is a cyclic number.

It is not a de Polignac number, because 123223223 - 2⁴ = 123223207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123223195 and 123223204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123223823) 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, 545123 + ... + 545348.

It is an arithmetic number, because the mean of its divisors is an integer number (31078452).

Almost surely, 2^123223223 is an apocalyptic number.

123223223 is a deficient number, since it is larger than the sum of its proper divisors (1090585).

123223223 is a wasteful number, since it uses less digits than its factorization.

123223223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090584.

The product of its digits is 864, while the sum is 20.

The square root of 123223223 is about 11100.5956146506. The cubic root of 123223223 is about 497.6196498493.

Adding to 123223223 its reverse (322322321), we get a palindrome (445545544).

The spelling of 123223223 in words is "one hundred twenty-three million, two hundred twenty-three thousand, two hundred twenty-three".