1323051303 has 12 divisors (see below), whose sum is σ = 2052079800. Its totient is φ = 756029232.

The previous prime is 1323051283. The next prime is 1323051383. The reversal of 1323051303 is 3031503231.

1323051303 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1323051303 - 2⁵ = 1323051271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1323051303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323051383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4500028 + ... + 4500321.

It is an arithmetic number, because the mean of its divisors is an integer number (171006650).

Almost surely, 2^1323051303 is an apocalyptic number.

1323051303 is a deficient number, since it is larger than the sum of its proper divisors (729028497).

1323051303 is an equidigital number, since it uses as much as digits as its factorization.

1323051303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000366 (or 9000359 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 1323051303 is about 36373.7721854635. The cubic root of 1323051303 is about 1097.8059027978.

Adding to 1323051303 its reverse (3031503231), we get a palindrome (4354554534).

The spelling of 1323051303 in words is "one billion, three hundred twenty-three million, fifty-one thousand, three hundred three".