9212823 has 12 divisors (see below), whose sum is σ = 13632528. Its totient is φ = 5991840.

The previous prime is 9212821. The next prime is 9212849. The reversal of 9212823 is 3282129.

It is a happy number.

9212823 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9212823 - 2¹ = 9212821 is a prime.

It is a super-2 number, since 2×9212823² = 169752215258658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9212821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12115 + ... + 12852.

It is an arithmetic number, because the mean of its divisors is an integer number (1136044).

Almost surely, 2^9212823 is an apocalyptic number.

9212823 is a deficient number, since it is larger than the sum of its proper divisors (4419705).

9212823 is a wasteful number, since it uses less digits than its factorization.

9212823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25014 (or 25011 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 9212823 is about 3035.2632505270. The cubic root of 9212823 is about 209.6352170566.

The spelling of 9212823 in words is "nine million, two hundred twelve thousand, eight hundred twenty-three".