85723007308 has 6 divisors (see below), whose sum is σ = 150015262796. Its totient is φ = 42861503652.

The previous prime is 85723007239. The next prime is 85723007327. The reversal of 85723007308 is 80370032758.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10715375910 + ... + 10715375917.

Almost surely, 2^85723007308 is an apocalyptic number.

It is an amenable number.

85723007308 is a deficient number, since it is larger than the sum of its proper divisors (64292255488).

85723007308 is a wasteful number, since it uses less digits than its factorization.

85723007308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21430751831 (or 21430751829 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 85723007308 in words is "eighty-five billion, seven hundred twenty-three million, seven thousand, three hundred eight".