1023666363 has 32 divisors (see below), whose sum is σ = 1598643200. Its totient is φ = 645602400.

The previous prime is 1023666361. The next prime is 1023666377. The reversal of 1023666363 is 3636663201.

It is a happy number.

It is not a de Polignac number, because 1023666363 - 2¹ = 1023666361 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023666361) 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 31 ways as a sum of consecutive naturals, for example, 630693 + ... + 632313.

It is an arithmetic number, because the mean of its divisors is an integer number (49957600).

Almost surely, 2^1023666363 is an apocalyptic number.

1023666363 is a deficient number, since it is larger than the sum of its proper divisors (574976837).

1023666363 is a wasteful number, since it uses less digits than its factorization.

1023666363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The square root of 1023666363 is about 31994.7864971779. The cubic root of 1023666363 is about 1007.8273602438.

The spelling of 1023666363 in words is "one billion, twenty-three million, six hundred sixty-six thousand, three hundred sixty-three".