23200440424 has 160 divisors (see below), whose sum is σ = 53564083200. Its totient is φ = 9406212480.

The previous prime is 23200440407. The next prime is 23200440433. The reversal of 23200440424 is 42404400232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27985642 + ... + 27986470.

It is an arithmetic number, because the mean of its divisors is an integer number (334775520).

Almost surely, 2^23200440424 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 23200440424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26782041600).

23200440424 is an abundant number, since it is smaller than the sum of its proper divisors (30363642776).

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

23200440424 is an equidigital number, since it uses as much as digits as its factorization.

23200440424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 23200440424 its reverse (42404400232), we get a palindrome (65604840656).

The spelling of 23200440424 in words is "twenty-three billion, two hundred million, four hundred forty thousand, four hundred twenty-four".