384111143 has 12 divisors (see below), whose sum is σ = 416488968. Its totient is φ = 354088800.

The previous prime is 384111139. The next prime is 384111179. The reversal of 384111143 is 341111483.

It is not a de Polignac number, because 384111143 - 2² = 384111139 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 (384111103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218996 + ... + 220742.

It is an arithmetic number, because the mean of its divisors is an integer number (34707414).

Almost surely, 2^384111143 is an apocalyptic number.

384111143 is a deficient number, since it is larger than the sum of its proper divisors (32377825).

384111143 is a wasteful number, since it uses less digits than its factorization.

384111143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074 (or 3061 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 384111143 is about 19598.7536083293. The cubic root of 384111143 is about 726.9183554497.

The spelling of 384111143 in words is "three hundred eighty-four million, one hundred eleven thousand, one hundred forty-three".