381823467143 has 4 divisors (see below), whose sum is σ = 381827667888. Its totient is φ = 381819266400.

The previous prime is 381823467139. The next prime is 381823467149. The reversal of 381823467143 is 341764328183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341764328183 = 2039 ⋅167613697.

It is a cyclic number.

It is not a de Polignac number, because 381823467143 - 2² = 381823467139 is a prime.

It is a super-2 number, since 2×381823467143² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381823467091 and 381823467100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381823467149) 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 3 ways as a sum of consecutive naturals, for example, 1960946 + ... + 2146847.

It is an arithmetic number, because the mean of its divisors is an integer number (95456916972).

Almost surely, 2^381823467143 is an apocalyptic number.

381823467143 is a deficient number, since it is larger than the sum of its proper divisors (4200745).

381823467143 is an equidigital number, since it uses as much as digits as its factorization.

381823467143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200744.

The product of its digits is 2322432, while the sum is 50.

The spelling of 381823467143 in words is "three hundred eighty-one billion, eight hundred twenty-three million, four hundred sixty-seven thousand, one hundred forty-three".