873611582723 has 4 divisors (see below), whose sum is σ = 953030817528. Its totient is φ = 794192347920.

The previous prime is 873611582713. The next prime is 873611582747. The reversal of 873611582723 is 327285116378.

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 873611582723 - 2³⁶ = 804892105987 is a prime.

It is a super-4 number, since 4×873611582723⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873611582713) 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, 39709617386 + ... + 39709617407.

It is an arithmetic number, because the mean of its divisors is an integer number (238257704382).

Almost surely, 2^873611582723 is an apocalyptic number.

873611582723 is a deficient number, since it is larger than the sum of its proper divisors (79419234805).

873611582723 is a wasteful number, since it uses less digits than its factorization.

873611582723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79419234804.

The product of its digits is 3386880, while the sum is 53.

The spelling of 873611582723 in words is "eight hundred seventy-three billion, six hundred eleven million, five hundred eighty-two thousand, seven hundred twenty-three".