3971258223 has 16 divisors (see below), whose sum is σ = 5537258496. Its totient is φ = 2526883040.

The previous prime is 3971258197. The next prime is 3971258227. The reversal of 3971258223 is 3228521793.

3971258223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3971258223 - 2⁸ = 3971257967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3971258227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30615 + ... + 94232.

It is an arithmetic number, because the mean of its divisors is an integer number (346078656).

Almost surely, 2^3971258223 is an apocalyptic number.

3971258223 is a deficient number, since it is larger than the sum of its proper divisors (1566000273).

3971258223 is a wasteful number, since it uses less digits than its factorization.

3971258223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125334.

The product of its digits is 181440, while the sum is 42.

The square root of 3971258223 is about 63017.9198561806. The cubic root of 3971258223 is about 1583.5898483556.

The spelling of 3971258223 in words is "three billion, nine hundred seventy-one million, two hundred fifty-eight thousand, two hundred twenty-three".