1323212303 has 8 divisors (see below), whose sum is σ = 1533542400. Its totient is φ = 1118207160.

The previous prime is 1323212281. The next prime is 1323212347. The reversal of 1323212303 is 3032123231.

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

It is not a de Polignac number, because 1323212303 - 2⁶ = 1323212239 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 (1323212353) 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, 1330703 + ... + 1331696.

It is an arithmetic number, because the mean of its divisors is an integer number (191692800).

Almost surely, 2^1323212303 is an apocalyptic number.

1323212303 is a deficient number, since it is larger than the sum of its proper divisors (210330097).

1323212303 is an equidigital number, since it uses as much as digits as its factorization.

1323212303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662477.

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

The square root of 1323212303 is about 36375.9852512616. The cubic root of 1323212303 is about 1097.8504310740.

Adding to 1323212303 its reverse (3032123231), we get a palindrome (4355335534).

The spelling of 1323212303 in words is "one billion, three hundred twenty-three million, two hundred twelve thousand, three hundred three".