1317643023 has 8 divisors (see below), whose sum is σ = 1797714688. Its totient is φ = 858000024.

The previous prime is 1317643013. The next prime is 1317643049. The reversal of 1317643023 is 3203467131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1317643023 - 2⁶ = 1317642959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317643013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5107015 + ... + 5107272.

It is an arithmetic number, because the mean of its divisors is an integer number (224714336).

Almost surely, 2^1317643023 is an apocalyptic number.

1317643023 is a deficient number, since it is larger than the sum of its proper divisors (480071665).

1317643023 is a wasteful number, since it uses less digits than its factorization.

1317643023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10214333.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 1317643023 is about 36299.3529281171. The cubic root of 1317643023 is about 1096.3080142758.

The spelling of 1317643023 in words is "one billion, three hundred seventeen million, six hundred forty-three thousand, twenty-three".