5123321 has 8 divisors (see below), whose sum is σ = 5991744. Its totient is φ = 4289040.

The previous prime is 5123317. The next prime is 5123357. The reversal of 5123321 is 1233215.

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

It is not a de Polignac number, because 5123321 - 2² = 5123317 is a prime.

It is a d-powerful number, because it can be written as 5⁷ + 1 + 2¹⁷ + 3⁴ + 3¹⁴ + 2¹⁷ + 1 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5123321.

It is not an unprimeable number, because it can be changed into a prime (5123311) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 8210 + ... + 8811.

It is an arithmetic number, because the mean of its divisors is an integer number (748968).

Almost surely, 2^5123321 is an apocalyptic number.

It is an amenable number.

5123321 is a deficient number, since it is larger than the sum of its proper divisors (868423).

5123321 is a wasteful number, since it uses less digits than its factorization.

5123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17071.

The product of its digits is 180, while the sum is 17.

The square root of 5123321 is about 2263.4754250930. The cubic root of 5123321 is about 172.3920321359.

Adding to 5123321 its reverse (1233215), we get a palindrome (6356536).

It can be divided in two parts, 5 and 123321, that multiplied together give a triangular number (616605 = T₁₁₁₀).

The spelling of 5123321 in words is "five million, one hundred twenty-three thousand, three hundred twenty-one".