23544542320 has 80 divisors (see below), whose sum is σ = 58977787680. Its totient is φ = 8689554432.

The previous prime is 23544542279. The next prime is 23544542339. The reversal of 23544542320 is 2324544532.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-4 number, since 4×23544542320⁴ (a number of 43 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3677362 + ... + 3683758.

It is an arithmetic number, because the mean of its divisors is an integer number (737222346).

Almost surely, 2^23544542320 is an apocalyptic number.

23544542320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23544542320 is an abundant number, since it is smaller than the sum of its proper divisors (35433245360).

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

23544542320 is a wasteful number, since it uses less digits than its factorization.

23544542320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9962 (or 9956 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

It can be divided in two parts, 235445 and 42320, that multiplied together give a square (9964032400 = 99820²).

The spelling of 23544542320 in words is "twenty-three billion, five hundred forty-four million, five hundred forty-two thousand, three hundred twenty".