1021323 has 8 divisors (see below), whose sum is σ = 1384336. Its totient is φ = 669600.

The previous prime is 1021303. The next prime is 1021327. The reversal of 1021323 is 3231201.

It is a happy number.

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

It is not a de Polignac number, because 1021323 - 2⁵ = 1021291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021299 and 1021308.

It is not an unprimeable number, because it can be changed into a prime (1021327) 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, 2608 + ... + 2973.

It is an arithmetic number, because the mean of its divisors is an integer number (173042).

2^1021323 is an apocalyptic number.

1021323 is a deficient number, since it is larger than the sum of its proper divisors (363013).

1021323 is an equidigital number, since it uses as much as digits as its factorization.

1021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5645.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1021323 is about 1010.6052641858. The cubic root of 1021323 is about 100.7057737818.

Adding to 1021323 its reverse (3231201), we get a palindrome (4252524).

The spelling of 1021323 in words is "one million, twenty-one thousand, three hundred twenty-three".