381323323183 has 24 divisors (see below), whose sum is σ = 437898069504. Its totient is φ = 331180610640.

The previous prime is 381323323163. The next prime is 381323323187.

It is a happy number.

381323323183 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 381323323183 - 2¹³ = 381323314991 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 (381323323187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2207166 + ... + 2373652.

It is an arithmetic number, because the mean of its divisors is an integer number (18245752896).

Almost surely, 2^381323323183 is an apocalyptic number.

381323323183 is a deficient number, since it is larger than the sum of its proper divisors (56574746321).

381323323183 is a wasteful number, since it uses less digits than its factorization.

381323323183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167355 (or 167344 counting only the distinct ones).

The product of its digits is 186624, while the sum is 40.

The spelling of 381323323183 in words is "three hundred eighty-one billion, three hundred twenty-three million, three hundred twenty-three thousand, one hundred eighty-three".