123423224 has 16 divisors (see below), whose sum is σ = 231681600. Its totient is φ = 61641472.

The previous prime is 123423197. The next prime is 123423227. The reversal of 123423224 is 422324321.

It is a self number, because there is not a number n which added to its sum of digits gives 123423224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123423227) 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, 872 + ... + 15735.

It is an arithmetic number, because the mean of its divisors is an integer number (14480100).

Almost surely, 2^123423224 is an apocalyptic number.

It is an amenable number.

123423224 is a deficient number, since it is larger than the sum of its proper divisors (108258376).

123423224 is a wasteful number, since it uses less digits than its factorization.

123423224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17542 (or 17538 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 123423224 is about 11109.6005328725. The cubic root of 123423224 is about 497.8887296227. Note that the first 3 decimals are identical.

Adding to 123423224 its reverse (422324321), we get a palindrome (545747545).

The spelling of 123423224 in words is "one hundred twenty-three million, four hundred twenty-three thousand, two hundred twenty-four".