870223136843 has 16 divisors (see below), whose sum is σ = 908647095840. Its totient is φ = 832815168480.

The previous prime is 870223136833. The next prime is 870223136921. The reversal of 870223136843 is 348631322078.

870223136843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 870223136843 - 2¹⁰ = 870223135819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870223136803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8346488 + ... + 8450106.

It is an arithmetic number, because the mean of its divisors is an integer number (56790443490).

Almost surely, 2^870223136843 is an apocalyptic number.

870223136843 is a deficient number, since it is larger than the sum of its proper divisors (38423958997).

870223136843 is an frugal number, since it uses more digits than its factorization.

870223136843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103839 (or 103717 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 870223136843 in words is "eight hundred seventy billion, two hundred twenty-three million, one hundred thirty-six thousand, eight hundred forty-three".