383248857143 has 4 divisors (see below), whose sum is σ = 383259653040. Its totient is φ = 383238061248.

The previous prime is 383248857137. The next prime is 383248857179. The reversal of 383248857143 is 341758842383.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 383248857143 - 2²⁸ = 382980421687 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 (383248851143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5344523 + ... + 5415756.

It is an arithmetic number, because the mean of its divisors is an integer number (95814913260).

Almost surely, 2^383248857143 is an apocalyptic number.

383248857143 is a deficient number, since it is larger than the sum of its proper divisors (10795897).

383248857143 is a wasteful number, since it uses less digits than its factorization.

383248857143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10795896.

The product of its digits is 15482880, while the sum is 56.

The spelling of 383248857143 in words is "three hundred eighty-three billion, two hundred forty-eight million, eight hundred fifty-seven thousand, one hundred forty-three".