1303123323 has 16 divisors (see below), whose sum is σ = 1819077120. Its totient is φ = 828681504.

The previous prime is 1303123319. The next prime is 1303123331. The reversal of 1303123323 is 3233213031.

It is not a de Polignac number, because 1303123323 - 2² = 1303123319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1303123323.

It is not an unprimeable number, because it can be changed into a prime (1303123373) 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 15 ways as a sum of consecutive naturals, for example, 83011 + ... + 97452.

It is an arithmetic number, because the mean of its divisors is an integer number (113692320).

Almost surely, 2^1303123323 is an apocalyptic number.

1303123323 is a deficient number, since it is larger than the sum of its proper divisors (515953797).

1303123323 is a wasteful number, since it uses less digits than its factorization.

1303123323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180578.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1303123323 is about 36098.7994675723. The cubic root of 1303123323 is about 1092.2662282430.

Adding to 1303123323 its reverse (3233213031), we get a palindrome (4536336354).

The spelling of 1303123323 in words is "one billion, three hundred three million, one hundred twenty-three thousand, three hundred twenty-three".