1383559523 has 2 divisors, whose sum is σ = 1383559524. Its totient is φ = 1383559522.

The previous prime is 1383559427. The next prime is 1383559531. The reversal of 1383559523 is 3259553831.

It is a strong prime.

It is an emirp because it is prime and its reverse (3259553831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1383559523 - 2³⁰ = 309817699 is a prime.

It is not a weakly prime, because it can be changed into another prime (1383559823) 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 as a sum of consecutive naturals, namely, 691779761 + 691779762.

It is an arithmetic number, because the mean of its divisors is an integer number (691779762).

Almost surely, 2^1383559523 is an apocalyptic number.

1383559523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383559523 is an equidigital number, since it uses as much as digits as its factorization.

1383559523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486000, while the sum is 44.

The square root of 1383559523 is about 37196.2299568115. The cubic root of 1383559523 is about 1114.2926930381.

The spelling of 1383559523 in words is "one billion, three hundred eighty-three million, five hundred fifty-nine thousand, five hundred twenty-three".