23003052520 has 64 divisors (see below), whose sum is σ = 59899507200. Its totient is φ = 7786920960.

The previous prime is 23003052509. The next prime is 23003052577. The reversal of 23003052520 is 2525030032.

It is a junction number, because it is equal to n+sod(n) for n = 23003052491 and 23003052500.

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, 497841 + ... + 542080.

It is an arithmetic number, because the mean of its divisors is an integer number (935929800).

Almost surely, 2^23003052520 is an apocalyptic number.

23003052520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23003052520 is an abundant number, since it is smaller than the sum of its proper divisors (36896454680).

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

23003052520 is a wasteful number, since it uses less digits than its factorization.

23003052520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040018 (or 1040014 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

Adding to 23003052520 its reverse (2525030032), we get a palindrome (25528082552).

The spelling of 23003052520 in words is "twenty-three billion, three million, fifty-two thousand, five hundred twenty".