3863986123 has 2 divisors, whose sum is σ = 3863986124. Its totient is φ = 3863986122.

The previous prime is 3863986111. The next prime is 3863986199. The reversal of 3863986123 is 3216893683.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3863986123 - 2⁹ = 3863985611 is a prime.

It is a super-2 number, since 2×3863986123² = 29860777517473142258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3863986823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1931993061 + 1931993062.

It is an arithmetic number, because the mean of its divisors is an integer number (1931993062).

Almost surely, 2^3863986123 is an apocalyptic number.

3863986123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3863986123 is an equidigital number, since it uses as much as digits as its factorization.

3863986123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 49.

The square root of 3863986123 is about 62160.9694502909. The cubic root of 3863986123 is about 1569.2007945008.

The spelling of 3863986123 in words is "three billion, eight hundred sixty-three million, nine hundred eighty-six thousand, one hundred twenty-three".