9923148224 has 56 divisors (see below), whose sum is σ = 21557699328. Its totient is φ = 4494493440.

The previous prime is 9923148199. The next prime is 9923148229. The reversal of 9923148224 is 4228413299.

It is a happy number.

It is a Cunningham number, because it is equal to 99615²-1.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9923148229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174329 + ... + 224135.

Almost surely, 2^9923148224 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 9923148224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10778849664).

9923148224 is an abundant number, since it is smaller than the sum of its proper divisors (11634551104).

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

9923148224 is a wasteful number, since it uses less digits than its factorization.

9923148224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50113 (or 50103 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 9923148224 is about 99614.9999949807. Note that the first 5 decimals coincide. The cubic root of 9923148224 is about 2148.9014199359.

The spelling of 9923148224 in words is "nine billion, nine hundred twenty-three million, one hundred forty-eight thousand, two hundred twenty-four".