23232520344440 has 64 divisors (see below), whose sum is σ = 57320745176160. Its totient is φ = 8404416184320.

The previous prime is 23232520344437. The next prime is 23232520344479. The reversal of 23232520344440 is 4444302523232.

It is a junction number, because it is equal to n+sod(n) for n = 23232520344394 and 23232520344403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136705709 + ... + 136875548.

Almost surely, 2^{23232520344440} is an apocalyptic number.

23232520344440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23232520344440 is an abundant number, since it is smaller than the sum of its proper divisors (34088224831720).

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

23232520344440 is a wasteful number, since it uses less digits than its factorization.

23232520344440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273581472 (or 273581468 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 38.

Adding to 23232520344440 its reverse (4444302523232), we get a palindrome (27676822867672).

The spelling of 23232520344440 in words is "twenty-three trillion, two hundred thirty-two billion, five hundred twenty million, three hundred forty-four thousand, four hundred forty".