123320324 has 6 divisors (see below), whose sum is σ = 215810574. Its totient is φ = 61660160.

The previous prime is 123320303. The next prime is 123320359. The reversal of 123320324 is 423023321.

It can be written as a sum of positive squares in only one way, i.e., 65286400 + 58033924 = 8080^2 + 7618^2 .

It is a super-2 number, since 2×123320324² = 30415804622929952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123320296 and 123320305.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15415037 + ... + 15415044.

It is an arithmetic number, because the mean of its divisors is an integer number (35968429).

Almost surely, 2^123320324 is an apocalyptic number.

It is an amenable number.

123320324 is a deficient number, since it is larger than the sum of its proper divisors (92490250).

123320324 is a wasteful number, since it uses less digits than its factorization.

123320324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30830085 (or 30830083 counting only the distinct ones).

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

The square root of 123320324 is about 11104.9684375958. The cubic root of 123320324 is about 497.7503251067.

Adding to 123320324 its reverse (423023321), we get a palindrome (546343645).

The spelling of 123320324 in words is "one hundred twenty-three million, three hundred twenty thousand, three hundred twenty-four".