381135868323 has 24 divisors (see below), whose sum is σ = 591175276560. Its totient is φ = 217782432000.

The previous prime is 381135868301. The next prime is 381135868357. The reversal of 381135868323 is 323868531183.

It is not a de Polignac number, because 381135868323 - 2⁹ = 381135867811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381135868723) 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 23 ways as a sum of consecutive naturals, for example, 4664823 + ... + 4745823.

It is an arithmetic number, because the mean of its divisors is an integer number (24632303190).

Almost surely, 2^381135868323 is an apocalyptic number.

381135868323 is a deficient number, since it is larger than the sum of its proper divisors (210039408237).

381135868323 is a wasteful number, since it uses less digits than its factorization.

381135868323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113027 (or 113020 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The spelling of 381135868323 in words is "three hundred eighty-one billion, one hundred thirty-five million, eight hundred sixty-eight thousand, three hundred twenty-three".