7142816823 has 8 divisors (see below), whose sum is σ = 9524297328. Its totient is φ = 4761607104.

The previous prime is 7142816803. The next prime is 7142816827. The reversal of 7142816823 is 3286182417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7142816823 - 2⁹ = 7142816311 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142816827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5011 + ... + 119627.

It is an arithmetic number, because the mean of its divisors is an integer number (1190537166).

Almost surely, 2^7142816823 is an apocalyptic number.

7142816823 is a deficient number, since it is larger than the sum of its proper divisors (2381480505).

7142816823 is a wasteful number, since it uses less digits than its factorization.

7142816823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135393.

The product of its digits is 129024, while the sum is 42.

The square root of 7142816823 is about 84515.1869370233. The cubic root of 7142816823 is about 1925.8531618681.

The spelling of 7142816823 in words is "seven billion, one hundred forty-two million, eight hundred sixteen thousand, eight hundred twenty-three".