3878243423 has 4 divisors (see below), whose sum is σ = 3972834768. Its totient is φ = 3783652080.

The previous prime is 3878243389. The next prime is 3878243429. The reversal of 3878243423 is 3243428783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3878243423 - 2¹⁸ = 3877981279 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 (3878243429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47295611 + ... + 47295692.

It is an arithmetic number, because the mean of its divisors is an integer number (993208692).

Almost surely, 2^3878243423 is an apocalyptic number.

3878243423 is a deficient number, since it is larger than the sum of its proper divisors (94591345).

3878243423 is an equidigital number, since it uses as much as digits as its factorization.

3878243423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94591344.

The product of its digits is 774144, while the sum is 44.

The square root of 3878243423 is about 62275.5443412581. The cubic root of 3878243423 is about 1571.1284330712.

The spelling of 3878243423 in words is "three billion, eight hundred seventy-eight million, two hundred forty-three thousand, four hundred twenty-three".