809314623 has 24 divisors (see below), whose sum is σ = 1280282640. Its totient is φ = 489594240.

The previous prime is 809314609. The next prime is 809314637. The reversal of 809314623 is 326413908.

It is an interprime number because it is at equal distance from previous prime (809314609) and next prime (809314637).

It is not a de Polignac number, because 809314623 - 2⁵ = 809314591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809314603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51718 + ... + 65523.

It is an arithmetic number, because the mean of its divisors is an integer number (53345110).

Almost surely, 2^809314623 is an apocalyptic number.

809314623 is a deficient number, since it is larger than the sum of its proper divisors (470968017).

809314623 is a wasteful number, since it uses less digits than its factorization.

809314623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117319 (or 117316 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 809314623 is about 28448.4555468307. The cubic root of 809314623 is about 931.9067608438.

The spelling of 809314623 in words is "eight hundred nine million, three hundred fourteen thousand, six hundred twenty-three".