1303223323 has 4 divisors (see below), whose sum is σ = 1312736040. Its totient is φ = 1293710608.

The previous prime is 1303223297. The next prime is 1303223347. The reversal of 1303223323 is 3233223031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3233223031 = 13183 ⋅245257.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303223323 is a prime.

It is a super-2 number, since 2×1303223323² = 3396782059222324658, 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 = 1303223294 and 1303223303.

It is not an unprimeable number, because it can be changed into a prime (1303223393) 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 3 ways as a sum of consecutive naturals, for example, 4756153 + ... + 4756426.

It is an arithmetic number, because the mean of its divisors is an integer number (328184010).

Almost surely, 2^1303223323 is an apocalyptic number.

1303223323 is a deficient number, since it is larger than the sum of its proper divisors (9512717).

1303223323 is an equidigital number, since it uses as much as digits as its factorization.

1303223323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9512716.

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 1303223323 is about 36100.1845286143. The cubic root of 1303223323 is about 1092.2941672280.

Adding to 1303223323 its reverse (3233223031), we get a palindrome (4536446354).

The spelling of 1303223323 in words is "one billion, three hundred three million, two hundred twenty-three thousand, three hundred twenty-three".