123324321 has 8 divisors (see below), whose sum is σ = 171581760. Its totient is φ = 78641552.

The previous prime is 123324263. The next prime is 123324329. The reversal of 123324321 is 123423321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123324321 - 2¹⁴ = 123307937 is a prime.

It is a super-2 number, since 2×123324321² = 30417776300222082, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123324329) 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, 893586 + ... + 893723.

It is an arithmetic number, because the mean of its divisors is an integer number (21447720).

Almost surely, 2^123324321 is an apocalyptic number.

It is an amenable number.

123324321 is a deficient number, since it is larger than the sum of its proper divisors (48257439).

123324321 is a wasteful number, since it uses less digits than its factorization.

123324321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787335.

The product of its digits is 864, while the sum is 21.

The square root of 123324321 is about 11105.1484006293. The cubic root of 123324321 is about 497.7557026646.

Adding to 123324321 its reverse (123423321), we get a palindrome (246747642).

It can be divided in two parts, 12332 and 4321, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 123324321 in words is "one hundred twenty-three million, three hundred twenty-four thousand, three hundred twenty-one".