5187923 has 4 divisors (see below), whose sum is σ = 5587008. Its totient is φ = 4788840.

The previous prime is 5187913. The next prime is 5187937. The reversal of 5187923 is 3297815.

5187923 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3297815 = 5 ⋅659563.

It is a cyclic number.

It is not a de Polignac number, because 5187923 - 2⁶ = 5187859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5187913) 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, 199523 + ... + 199548.

It is an arithmetic number, because the mean of its divisors is an integer number (1396752).

Almost surely, 2^5187923 is an apocalyptic number.

5187923 is a deficient number, since it is larger than the sum of its proper divisors (399085).

5187923 is a wasteful number, since it uses less digits than its factorization.

5187923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399084.

The product of its digits is 15120, while the sum is 35.

The square root of 5187923 is about 2277.7012534571. The cubic root of 5187923 is about 173.1135944125.

The spelling of 5187923 in words is "five million, one hundred eighty-seven thousand, nine hundred twenty-three".