143423884 has 12 divisors (see below), whose sum is σ = 256332384. Its totient is φ = 70186064.

The previous prime is 143423873. The next prime is 143423893. The reversal of 143423884 is 488324341.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381259 + ... + 381634.

It is an arithmetic number, because the mean of its divisors is an integer number (21361032).

Almost surely, 2^143423884 is an apocalyptic number.

It is an amenable number.

143423884 is a deficient number, since it is larger than the sum of its proper divisors (112908500).

143423884 is a wasteful number, since it uses less digits than its factorization.

143423884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762944 (or 762942 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 143423884 is about 11975.9711088496. The cubic root of 143423884 is about 523.4483394545.

The spelling of 143423884 in words is "one hundred forty-three million, four hundred twenty-three thousand, eight hundred eighty-four".