1321050323 has 8 divisors (see below), whose sum is σ = 1343553792. Its totient is φ = 1298628936.

The previous prime is 1321050319. The next prime is 1321050371. The reversal of 1321050323 is 3230501231.

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 1321050323 - 2² = 1321050319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1321050295 and 1321050304.

It is not an unprimeable number, because it can be changed into a prime (1321050383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12386 + ... + 52872.

It is an arithmetic number, because the mean of its divisors is an integer number (167944224).

Almost surely, 2^1321050323 is an apocalyptic number.

1321050323 is a deficient number, since it is larger than the sum of its proper divisors (22503469).

1321050323 is an equidigital number, since it uses as much as digits as its factorization.

1321050323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41041.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1321050323 is about 36346.2559694943. The cubic root of 1321050323 is about 1097.2521837788.

Adding to 1321050323 its reverse (3230501231), we get a palindrome (4551551554).

The spelling of 1321050323 in words is "one billion, three hundred twenty-one million, fifty thousand, three hundred twenty-three".