5142451823 has 4 divisors (see below), whose sum is σ = 5147115168. Its totient is φ = 5137788480.

The previous prime is 5142451819. The next prime is 5142451841. The reversal of 5142451823 is 3281542415.

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 5142451823 - 2² = 5142451819 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 (5142451423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2330018 + ... + 2332223.

It is an arithmetic number, because the mean of its divisors is an integer number (1286778792).

Almost surely, 2^5142451823 is an apocalyptic number.

5142451823 is a deficient number, since it is larger than the sum of its proper divisors (4663345).

5142451823 is a wasteful number, since it uses less digits than its factorization.

5142451823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4663344.

The product of its digits is 38400, while the sum is 35.

The square root of 5142451823 is about 71710.8905466945. The cubic root of 5142451823 is about 1726.0634006636.

The spelling of 5142451823 in words is "five billion, one hundred forty-two million, four hundred fifty-one thousand, eight hundred twenty-three".