23532442520 has 64 divisors (see below), whose sum is σ = 54652968000. Its totient is φ = 9112435200.

The previous prime is 23532442513. The next prime is 23532442523. The reversal of 23532442520 is 2524423532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23532442523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254570 + ... + 334470.

It is an arithmetic number, because the mean of its divisors is an integer number (853952625).

Almost surely, 2^23532442520 is an apocalyptic number.

23532442520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23532442520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27326484000).

23532442520 is an abundant number, since it is smaller than the sum of its proper divisors (31120525480).

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

23532442520 is a wasteful number, since it uses less digits than its factorization.

23532442520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80148 (or 80144 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

The spelling of 23532442520 in words is "twenty-three billion, five hundred thirty-two million, four hundred forty-two thousand, five hundred twenty".