9323257212 has 144 divisors (see below), whose sum is σ = 25763337600. Its totient is φ = 2831552640.

The previous prime is 9323257171. The next prime is 9323257217. The reversal of 9323257212 is 2127523239.

It is a happy number.

It is a super-2 number, since 2×9323257212² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9323257217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6088887 + ... + 6090417.

Almost surely, 2^9323257212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9323257212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12881668800).

9323257212 is an abundant number, since it is smaller than the sum of its proper divisors (16440080388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9323257212 is a wasteful number, since it uses less digits than its factorization.

9323257212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896 (or 1891 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 9323257212 is about 96557.0153432675. The cubic root of 9323257212 is about 2104.6952549020.

The spelling of 9323257212 in words is "nine billion, three hundred twenty-three million, two hundred fifty-seven thousand, two hundred twelve".