5187142423 has 4 divisors (see below), whose sum is σ = 5189599408. Its totient is φ = 5184685440.

The previous prime is 5187142403. The next prime is 5187142427. The reversal of 5187142423 is 3242417815.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5187142423 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 (5187142427) 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, 1225323 + ... + 1229548.

It is an arithmetic number, because the mean of its divisors is an integer number (1297399852).

Almost surely, 2^5187142423 is an apocalyptic number.

5187142423 is a deficient number, since it is larger than the sum of its proper divisors (2456985).

5187142423 is a wasteful number, since it uses less digits than its factorization.

5187142423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456984.

The product of its digits is 53760, while the sum is 37.

The square root of 5187142423 is about 72021.8190758884. The cubic root of 5187142423 is about 1731.0491172984.

The spelling of 5187142423 in words is "five billion, one hundred eighty-seven million, one hundred forty-two thousand, four hundred twenty-three".