873723059 has 4 divisors (see below), whose sum is σ = 953152440. Its totient is φ = 794293680.

The previous prime is 873723031. The next prime is 873723061. The reversal of 873723059 is 950327378.

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 873723059 - 2²⁰ = 872674483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873723659) 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, 39714674 + ... + 39714695.

It is an arithmetic number, because the mean of its divisors is an integer number (238288110).

Almost surely, 2^873723059 is an apocalyptic number.

873723059 is a deficient number, since it is larger than the sum of its proper divisors (79429381).

873723059 is a wasteful number, since it uses less digits than its factorization.

873723059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79429380.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 873723059 is about 29558.8067925618. The cubic root of 873723059 is about 956.0000886276. Note that the first 4 decimals are identical.

The spelling of 873723059 in words is "eight hundred seventy-three million, seven hundred twenty-three thousand, fifty-nine".