1323230421 has 8 divisors (see below), whose sum is σ = 1766230720. Its totient is φ = 881191872.

The previous prime is 1323230413. The next prime is 1323230423. The reversal of 1323230421 is 1240323231.

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

It is not a de Polignac number, because 1323230421 - 2³ = 1323230413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323230423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237220 + ... + 242733.

It is an arithmetic number, because the mean of its divisors is an integer number (220778840).

Almost surely, 2^1323230421 is an apocalyptic number.

It is an amenable number.

1323230421 is a deficient number, since it is larger than the sum of its proper divisors (443000299).

1323230421 is an equidigital number, since it uses as much as digits as its factorization.

1323230421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480875.

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

The square root of 1323230421 is about 36376.2342883372. The cubic root of 1323230421 is about 1097.8554418001.

Adding to 1323230421 its reverse (1240323231), we get a palindrome (2563553652).

The spelling of 1323230421 in words is "one billion, three hundred twenty-three million, two hundred thirty thousand, four hundred twenty-one".