123221324 has 6 divisors (see below), whose sum is σ = 215637324. Its totient is φ = 61610660.

The previous prime is 123221297. The next prime is 123221341. The reversal of 123221324 is 423122321.

It is a junction number, because it is equal to n+sod(n) for n = 123221296 and 123221305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15402662 + ... + 15402669.

It is an arithmetic number, because the mean of its divisors is an integer number (35939554).

Almost surely, 2^123221324 is an apocalyptic number.

It is an amenable number.

123221324 is a deficient number, since it is larger than the sum of its proper divisors (92416000).

123221324 is a wasteful number, since it uses less digits than its factorization.

123221324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30805335 (or 30805333 counting only the distinct ones).

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

The square root of 123221324 is about 11100.5100783703. The cubic root of 123221324 is about 497.6170935547.

Adding to 123221324 its reverse (423122321), we get a palindrome (546343645).

The spelling of 123221324 in words is "one hundred twenty-three million, two hundred twenty-one thousand, three hundred twenty-four".