23243220224 has 72 divisors (see below), whose sum is σ = 53094191808. Its totient is φ = 9948119040.

The previous prime is 23243220223. The next prime is 23243220227. The reversal of 23243220224 is 42202234232.

It is a super-2 number, since 2×23243220224² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23243220193 and 23243220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23243220223) 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, 1402064 + ... + 1418544.

Almost surely, 2^23243220224 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 23243220224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26547095904).

23243220224 is an abundant number, since it is smaller than the sum of its proper divisors (29850971584).

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

23243220224 is an equidigital number, since it uses as much as digits as its factorization.

23243220224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17291 (or 17277 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 23243220224 its reverse (42202234232), we get a palindrome (65445454456).

The spelling of 23243220224 in words is "twenty-three billion, two hundred forty-three million, two hundred twenty thousand, two hundred twenty-four".