1323021323 has 8 divisors (see below), whose sum is σ = 1425333168. Its totient is φ = 1220786784.

The previous prime is 1323021263. The next prime is 1323021331. The reversal of 1323021323 is 3231203231.

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 1323021323 - 2¹⁰ = 1323020299 is a prime.

It is a super-2 number, since 2×1323021323² = 3500770842225340658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323021295 and 1323021304.

It is not an unprimeable number, because it can be changed into a prime (1323021823) 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, 19061 + ... + 54857.

It is an arithmetic number, because the mean of its divisors is an integer number (178166646).

Almost surely, 2^1323021323 is an apocalyptic number.

1323021323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1323021323 is a deficient number, since it is larger than the sum of its proper divisors (102311845).

1323021323 is a wasteful number, since it uses less digits than its factorization.

1323021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38653.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1323021323 is about 36373.3600729985. The cubic root of 1323021323 is about 1097.7976107360.

Adding to 1323021323 its reverse (3231203231), we get a palindrome (4554224554).

The spelling of 1323021323 in words is "one billion, three hundred twenty-three million, twenty-one thousand, three hundred twenty-three".