123123224 has 32 divisors (see below), whose sum is σ = 265015200. Its totient is φ = 52531200.

The previous prime is 123123151. The next prime is 123123229. The reversal of 123123224 is 422321321.

It is a junction number, because it is equal to n+sod(n) for n = 123123196 and 123123205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123123229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8024 + ... + 17624.

It is an arithmetic number, because the mean of its divisors is an integer number (8281725).

Almost surely, 2^123123224 is an apocalyptic number.

123123224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123123224 is an abundant number, since it is smaller than the sum of its proper divisors (141891976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123123224 is a wasteful number, since it uses less digits than its factorization.

123123224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9843 (or 9839 counting only the distinct ones).

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

The square root of 123123224 is about 11096.0904826880. The cubic root of 123123224 is about 497.4850027886.

Adding to 123123224 its reverse (422321321), we get a palindrome (545444545).

The spelling of 123123224 in words is "one hundred twenty-three million, one hundred twenty-three thousand, two hundred twenty-four".