1330303223 has 4 divisors (see below), whose sum is σ = 1332641760. Its totient is φ = 1327964688.

The previous prime is 1330303171. The next prime is 1330303231. The reversal of 1330303223 is 3223030331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1330303223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330303195 and 1330303204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330303243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168415 + ... + 1169552.

It is an arithmetic number, because the mean of its divisors is an integer number (333160440).

Almost surely, 2^1330303223 is an apocalyptic number.

1330303223 is a deficient number, since it is larger than the sum of its proper divisors (2338537).

1330303223 is an equidigital number, since it uses as much as digits as its factorization.

1330303223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338536.

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 1330303223 is about 36473.3220724408. The cubic root of 1330303223 is about 1099.8080169083.

Adding to 1330303223 its reverse (3223030331), we get a palindrome (4553333554).

The spelling of 1330303223 in words is "one billion, three hundred thirty million, three hundred three thousand, two hundred twenty-three".