4023971547 has 8 divisors (see below), whose sum is σ = 5394938640. Its totient is φ = 2667826080.

The previous prime is 4023971543. The next prime is 4023971557. The reversal of 4023971547 is 7451793204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4023971547 - 2² = 4023971543 is a prime.

It is a super-2 number, since 2×4023971547² = 32384694022131146418, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4023971499 and 4023971508.

It is not an unprimeable number, because it can be changed into a prime (4023971543) 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 7 ways as a sum of consecutive naturals, for example, 3704772 + ... + 3705857.

It is an arithmetic number, because the mean of its divisors is an integer number (674367330).

Almost surely, 2^4023971547 is an apocalyptic number.

4023971547 is a deficient number, since it is larger than the sum of its proper divisors (1370967093).

4023971547 is a wasteful number, since it uses less digits than its factorization.

4023971547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7410813.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 4023971547 is about 63434.7818393033. The cubic root of 4023971547 is about 1590.5657766605.

The spelling of 4023971547 in words is "four billion, twenty-three million, nine hundred seventy-one thousand, five hundred forty-seven".