1163038390423 has 48 divisors (see below), whose sum is σ = 1486271539200. Its totient is φ = 890195080320.

The previous prime is 1163038390417. The next prime is 1163038390453. The reversal of 1163038390423 is 3240938303611.

It is a happy number.

It is not a de Polignac number, because 1163038390423 - 2⁹ = 1163038389911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1163038390423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163038390453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159120493 + ... + 159127801.

It is an arithmetic number, because the mean of its divisors is an integer number (30963990400).

Almost surely, 2^{1163038390423} is an apocalyptic number.

1163038390423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1163038390423 is a deficient number, since it is larger than the sum of its proper divisors (323233148777).

1163038390423 is a wasteful number, since it uses less digits than its factorization.

1163038390423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11712 (or 11699 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 1163038390423 in words is "one trillion, one hundred sixty-three billion, thirty-eight million, three hundred ninety thousand, four hundred twenty-three".