805321923 has 32 divisors (see below), whose sum is σ = 1261492224. Its totient is φ = 447437952.

The previous prime is 805321921. The next prime is 805321963. The reversal of 805321923 is 329123508.

It is not a de Polignac number, because 805321923 - 2¹ = 805321921 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (805321921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152361 + ... + 157557.

It is an arithmetic number, because the mean of its divisors is an integer number (39421632).

Almost surely, 2^805321923 is an apocalyptic number.

805321923 is a deficient number, since it is larger than the sum of its proper divisors (456170301).

805321923 is a wasteful number, since it uses less digits than its factorization.

805321923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5411.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 805321923 is about 28378.1944985935. The cubic root of 805321923 is about 930.3717336917.

The spelling of 805321923 in words is "eight hundred five million, three hundred twenty-one thousand, nine hundred twenty-three".