1330660423 has 4 divisors (see below), whose sum is σ = 1388515248. Its totient is φ = 1272805600.

The previous prime is 1330660411. The next prime is 1330660433. The reversal of 1330660423 is 3240660331.

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-1330660423 is a prime.

It is a super-2 number, since 2×1330660423² = 3541314322677077858, 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 = 1330660391 and 1330660400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330660433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28927378 + ... + 28927423.

It is an arithmetic number, because the mean of its divisors is an integer number (347128812).

Almost surely, 2^1330660423 is an apocalyptic number.

1330660423 is a deficient number, since it is larger than the sum of its proper divisors (57854825).

1330660423 is an equidigital number, since it uses as much as digits as its factorization.

1330660423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57854824.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 1330660423 is about 36478.2184734946. The cubic root of 1330660423 is about 1099.9064446604.

The spelling of 1330660423 in words is "one billion, three hundred thirty million, six hundred sixty thousand, four hundred twenty-three".