23003543120 has 80 divisors (see below), whose sum is σ = 54047136000. Its totient is φ = 9104638464.

The previous prime is 23003543093. The next prime is 23003543137. The reversal of 23003543120 is 2134530032.

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

It is a congruent number.

It is an unprimeable number.

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, 9058811 + ... + 9061349.

It is an arithmetic number, because the mean of its divisors is an integer number (675589200).

Almost surely, 2^23003543120 is an apocalyptic number.

23003543120 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 23003543120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27023568000).

23003543120 is an abundant number, since it is smaller than the sum of its proper divisors (31043592880).

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

23003543120 is a wasteful number, since it uses less digits than its factorization.

23003543120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700 (or 3694 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The spelling of 23003543120 in words is "twenty-three billion, three million, five hundred forty-three thousand, one hundred twenty".