9423813 has 32 divisors (see below), whose sum is σ = 15206400. Its totient is φ = 5075136.

The previous prime is 9423793. The next prime is 9423833. The reversal of 9423813 is 3183249.

It is an interprime number because it is at equal distance from previous prime (9423793) and next prime (9423833).

It is not a de Polignac number, because 9423813 - 2¹⁰ = 9422789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9423833) 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, 52558 + ... + 52736.

It is an arithmetic number, because the mean of its divisors is an integer number (475200).

Almost surely, 2^9423813 is an apocalyptic number.

It is an amenable number.

9423813 is a deficient number, since it is larger than the sum of its proper divisors (5782587).

9423813 is a wasteful number, since it uses less digits than its factorization.

9423813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321.

The product of its digits is 5184, while the sum is 30.

The square root of 9423813 is about 3069.8229590646. The cubic root of 9423813 is about 211.2234928168.

The spelling of 9423813 in words is "nine million, four hundred twenty-three thousand, eight hundred thirteen".